Questions LLC
Login
or
Sign Up
Ask a New Question
Categories
physics
Page 5
Questions
A parallel plate capacitor has a common plate area of 5*10^-8m^2 and plate separation of 2*10^-3m. Assuming free space .what is
2 answers
asked by
lotus
568 views
a car accelerate uniformly from 20m/s to 50m/s in 6sec .what is the distance traveled by the car during the 4th second?
1 answer
asked by
Anonymous
463 views
A boy walk 5m east, then 4m south and finally 2m west. calculate the magnitude and direction of the resultant displacement.
4 answers
asked by
Victor
1,282 views
Two cars A and B are moving along a straight road in the same direction with velocities of 25km/h and 40 km /h respectively.
4 answers
asked by
bayisa
891 views
a boat is traveling with a velocity of 42km\h(40 degree south of east) in a river. The river's current is 5km\h south. what will
3 answers
asked by
ella
352 views
the total area of the speed of the alveoli in the human lung is about 7.0x 10^5cm^2 .what is the area in square meters? (2) the
4 answers
asked by
Michael ishaku agbu
649 views
in air an object weighs 15N when immersed in water it weighs 12N when immersed in another liquid weighs 13N. Determine the
6 answers
asked by
Barry
1,312 views
A tired squirrel (mass of 1kg) does push-ups by applying a force to elevate it's center of mass by 5cm. Determine the number of
4 answers
asked by
sorie
3,500 views
A child throws a snowball with a horizontal velocity of 18 m/s directly toward a tree, from a distance of 9.0 m and a height
2 answers
asked by
anonymous
1,101 views
a box of lollipops accidentally falls from the back of a truck and hits the ground with a speed of 15 m/s. it slides along the
3 answers
asked by
jayven march
400 views
A current of 0.2 amps passes through a 3 ohm resistor. The resistor is connected to a 6v battery and an unknown resistor. what
4 answers
asked by
Anonymous
1,596 views
A spherical conducting shell has a net charge of +5Q. At the center of the shell, there is a point charge of +Q. Which of the
2 answers
asked by
Eddy
726 views
A motorcycle racer falls off their motorbike while traveling at 102 km/hr and skids in a straight line down the track. If the
5 answers
asked by
Evan
513 views
A fun seeker begins sliding from the top of a water slide and accelerates uniformly at 0.56 m.s-2. If the slide is 36 m long,
3 answers
asked by
Evan
559 views
An object with a charge of 2.3 space x space 10 to the power of negative 6 end exponent C and an object of charge negative 4.2
1 answer
asked by
Anonymous
431 views
What experimental method would you suggest to support the claim that iron exists in the gases in the sun’s atmosphere
2 answers
asked by
Amr
598 views
suppose you have a garden hose of diameter 2 cm and you use it to fill a 25 litre bucket with water. suppose it takes 1 minute
4 answers
asked by
Nelsy
880 views
A 62 kg toboggan is slowed to a stop in 5.0 m. what was the force of Friction, if the work done was -650J?
1 answer
asked by
fio
302 views
if a body of weight 10newton is lifted from the floor to a table 2meters above the floor , calculate the potential energy gain
1 answer
asked by
ifidi miracle
441 views
a balloon is 30m above the ground and is rising vertically with a uniform speed when a coin is dropped from it. if the coin
1 answer
asked by
amelia
453 views
a bucket of water with a total mass of 20kg is raised from a well by means of a vertical rope. during the first part of the rise
1 answer
asked by
johnny suh
337 views
A metal bar has a rectangular cross section 5.0cm by 10cm. The bar has a non-uniform conductivity, and as a result the current
1 answer
asked by
Keagan
366 views
Masses on a pulley- a 150g mass and 100g mass objects on either side of a pulley. the larger mass fell through a distance of
1 answer
asked by
merlia
338 views
The frequency of vibration, f, of a string of length, l, and mass per unit length, μ, depends on its tension,
T (a force), in
1 answer
asked by
tybfujk
274 views
A Christmas tree ornament resembles a spherical convex mirror and is 5.6 cm in diameter. What is its focal length (in cm)?
1 answer
asked by
sarah
408 views
An airplane flies at 150 km/h in a direction 30o South of East. At the same time a 50 km/h wind blows the plane in a direction
4 answers
asked by
Alan
896 views
Two point charges, +q and −q, lie on a circle with radius R in the x-y plane, R is 60degrees from the x-axis: l/_
a) Calculate
1 answer
asked by
Key
363 views
Two charges, both with charge +Q, have been placed on the x-axis at x=−a and x=a. Where will the electric field be zero?
2 answers
asked by
rho
786 views
Two charges, +Q and −Q, have been placed on the x-axis at x=−a and x=a respectively.
a) Where will the electric field be
3 answers
asked by
rho
686 views
In a given area of space the electric field and the magnetic field are described by the expressions
E ⃑=Ek ̂ and B ⃑=Bj ̂
1 answer
asked by
rho
315 views
What is 7.62 × 10^5 s in units of ks?
4 answers
asked by
aj
477 views
A car moving at 15 m/s accelerates to 25 m/s over five seconds. How far did it move during this time ?
1 answer
asked by
iphone
293 views
During a baseball game, a batter hits a high pop-up.
If the ball remains in the air for 6.41 s, how high above the point where it
3 answers
asked by
isa
793 views
a man holds a bukcet under a tap from which water issues vertically at 10m/s. It takes 10secs to fill the bucket, which holds
1 answer
asked by
mark lee
295 views
Using dimensional analysis show that the unit for the time constant is seconds
3 answers
asked by
Key
338 views
Suppose the driver in this example is now moving with speed 38.9 m/s, and slams on the brakes, stopping the car in 4.4 s.
(a)
2 answers
asked by
lai
540 views
Find the distance between a 0.300 kg billiard ball and a 0.400 kg billiard ball if the magnitude of the gravitational force is
4 answers
asked by
jack
2,161 views
how does the current flowing through through light bulb A compare with the current through light bulb B?
1 answer
asked by
imma
395 views
Using the Biot-Savart law, calculate the magnetic field (at P) produced by a straight current-carrying conductor of length
1 answer
asked by
Nicola
318 views
An object moves along a straight line and has a constant acceleration of 1.25 cm/s2. At t = 4.38 s, its velocity is -3.8 cm/s.
2 answers
asked by
help
520 views
If the initial velocity is 18 m/s, then what is the velocity at time 22.5 s? acceleration is -2(m/s^2)
4 answers
asked by
helpasap
184 views
An archer fires an arrow straight up into the air with a speed vo = 14 m/s. Neglect air resistance.
Find the maximum height h
4 answers
asked by
po
2,658 views
A ball is thrown straight up from ground level. It passes a 2-m-high window. The bottom of the window is 7.5 m off the ground.
1 answer
asked by
red
669 views
A ball is thrown straight up from ground level. It passes a 2-m-high window. The bottom of the window is 7.5 m off the ground.
2 answers
asked by
redplshelp
915 views
In a particular Cartesian coordinate system, the y and z-components of the velocity of a point-like object are zero and the
3 answers
asked by
ko
1,176 views
A football player runs for a distance d1 = 8.57 m in 1.21 s, at an angle of θ = 62.9 degrees to the 50-yard line, then turns
4 answers
asked by
anonymous
1,401 views
if the spring has a stiffness of 950nm what work will be done in extending the spring by 50mm
1 answer
asked by
Christian
226 views
A rock is thrown off a vertical cliff at an angle of 58.6o above horizontal. The cliff is 84.6 m high and the ground extends
3 answers
asked by
anonymous
878 views
An object rolls off a tabletop with a horizontal velocity v0x = 2.5 m/s. The table is at a height y0 = 0.55 m, above the floor.
1 answer
asked by
anonymous
454 views
An object rolls off a tabletop with a horizontal velocity v0x = 2.5 m/s. The table is at a height y0 = 0.55 m, above the floor.
4 answers
asked by
HELPPLEASE
1,842 views
A propeller blade has a length of 2.42 m and, starting from rest, the tip of the blade has a tangential acceleration of 2.73
2 answers
asked by
needhelp!
557 views
A student is standing on top of the school building (which they shouldn’t be doing) and has a height of 78.4m. They kick a
2 answers
asked by
tanya
500 views
the potential energy of a spring is 0.3 J when it is compressed 0.04 m to the left of its equilibrium position. At this point it
2 answers
asked by
jessi
583 views
The specific heat of wood is 2.03 J/g∙°C. How much heat is needed to convert 550 g of wood at -15.0°C to 10.0°C?
2 answers
asked by
maddie
710 views
i asked this question earlier but didnt really get how to find the tension equation.
Two blocks are connected by a string as
1 answer
asked by
PLSHELP
365 views
A motorcycle has a constant acceleration of 2.5 m/s 2 . How much time is required for the motorcycle to
change its speed from
4 answers
asked by
karem martinez
454 views
Calculate the final centigrade temperature required to change 20 litres of gas at 120°C and 1 atmosphere to 25 litres at 2
1 answer
asked by
victor
353 views
If a person is pushing a cart with a force of 60 Newtons and it accelerates at 0.5 m/s2, what is the mass of the cart?
1 answer
asked by
rodger
432 views
the force F = (3.16 N)i + (4.21 N)j acts on a particle as it moves along the x axis from x = 2.81 m to x = 6.52 m.
what is the
3 answers
asked by
anonymous
1,243 views
how do you draw the direction of net force is the net force is equal to zero
1 answer
asked by
HELP
148 views
A block is released from rest at point A and slides down a curved slope to point B, then continues until it comes to rest at
3 answers
asked by
needhelp!
1,681 views
A 20g bullet moving to 200ms-1 hits a bag of sand and comes to rest in 0.011s .what is the momentum of the bullet just before
1 answer
asked by
Anonymous
375 views
If you toss a ball straight up while in a closed train car and the ball hits the front of the car, then the train car could be
a)
1 answer
asked by
bob
279 views
An object is placed at a distance of 10.0 in front of a converging lens having a focal length of 5.0 cm. Find the image distance
1 answer
asked by
lovi
314 views
A plant pot was accidently dropped from the top of 210 m building. How long will it take for the plant pot to hit the ground
1 answer
asked by
eric
274 views
A block of mass m = 2.5 kg is attached to a spring with spring constant k = 530 N/m. It is initially at rest on an inclined
1 answer
asked by
anonymous
611 views
a bu let of mass 30g ismoving at avelocity of 60m/s colculate the kinetic energy
1 answer
asked by
ahmad sani
184 views
Lets assume your mass is 60 kg . You run up 200 stairs, each 16 cm high, in 28 s , at constant velocity.
In kilojoules, how much
1 answer
asked by
mayee
272 views
A piece of copper weighing 250 is heated to 100 and then quickly transferred to a copper calorimeter of mass 15 containing 80 of
1 answer
asked by
Favour
286 views
An object is accelerating at 2 m/s^2. If the net force is tripled, and the mass remains the same, what is the new acceleration?
b
2 answers
asked by
K
927 views
A 1 kg object can be accelerated at 10 m/s^2. If you apply this same force to a 4kg object, what will its acceleration be?
1 answer
asked by
k
227 views
A 15 kg cart is pushed on a frictionless surface from rest horizontally by a 30 N force. What is the cart's acceleration?
b. How
3 answers
asked by
:D
752 views
A 90N box rests on a horizontal surface. If a force of 45N is applied to the box, will it move if the coefficient of static
1 answer
asked by
:D
302 views
How much force must be applied by a worker to slide a 250N refrigerator across the floor at a constant speed if the coefficient
1 answer
asked by
lol
267 views
The 60.0 kg skier shown below is skiing down a 35.0 degree incline where the magnitude of the friction force is 38.5N
a. what is
3 answers
asked by
:D
586 views
Two bumper cars engage in a head on collision. Car A, whose mass is 60 kg and traveling to the right, approaches Car B at 10
1 answer
asked by
Becca
410 views
A ball is thrown straight into the air from a 340-foot building. Its velocity is 54 ft/sec.
a. What will be the max height of the
3 answers
asked by
j
352 views
Pusheen, with mass m = 1:20 [kg], is sitting
still at a 2:00 [m] high tree branch. She was suddenly pushed by Nyan imparting an
1 answer
asked by
billie
365 views
An arrow is fired at 55 degrees with a velocity of 20 m/s. How long is the arrow in the air?
1 answer
asked by
o
244 views
The total cross-sectional area of all capillary of a certain person’s circulatory system is 0.25 m2. If the blood flows
3 answers
asked by
AMNAH M H A H ALMUHANNA
627 views
on a frozen pond , a 12 kg sled is given a kick that imparts to it an initial speed of 7.7 m/s. the coefficient of kinetic
3 answers
asked by
martin
621 views
Two tennis balls weigh 1.64 kg and their centers are 0.020 m apart. Solve for the gravitational force between them.
1 answer
asked by
l
309 views
What is the value of g(a acceleration due to gravity) at a height of 1500 km above the earth's surface ?
1 answer
asked by
l
269 views
A tennis ball machine fires a ball vertically upwards at time
t = 0 at 19.6 m/s. Assume that air resistance is negligible and
1 answer
asked by
Anonymous
428 views
Mass M1 and M2 are separated by a distance of R. If the distance between the two masses is reduced to one-third of R. What will
1 answer
asked by
j
435 views
what is the net charge of a molecule that has 8 protons and 11 electrons
1 answer
asked by
lucy
361 views
two children on a sled slide a snow covered hill at down slope of 35 deergres. the total mass of the children and sled is 65kg.
1 answer
asked by
Anonymous
392 views
A positively charged particle Q1 = +45 nC is held fixed at the origin. A second charge Q2 of mass m = 7.5 μg is floating a
1 answer
asked by
anonymous
671 views
A basketball of mass 0.23 kg is thrown horizontally against a rigid vertical wall with a velocity of 20 m/s. It rebounds with a
3 answers
asked by
n
320 views
A 0.20 kg baseball is pitched horizontally with a speed of + 40 m/s. When it hits the bat a force of 1.7x10^4 N acts on the ball
2 answers
asked by
n
818 views
A car accidently rolls off a cliff. As it leaves the cliff it has a horizontal velocity of 13 m/s, it has hits ground 60m from
1 answer
asked by
girma
260 views
Two thin conductive spheres with radii of 10cm and 20cm are nested together so that their centers are at the same location. If
1 answer
asked by
anonymous
366 views
A 125g snowball is traveling with a speed of 22m/s when it hits the fence. If the snowball is completely stopped by the fence
1 answer
asked by
a
232 views
A woman of mass 50 kg is swimming with a velocity of 1.6m/s. If she stops stroking and glides to a stop in the water, what is
1 answer
asked by
b
192 views
A 0.41 kg football that is initially at rest acquires a velocity of 35 m/s when it is kicked. If the kicker's boot remains in
1 answer
asked by
c
240 views
A 125 g snowball is traveling with a speed of 22 m/s when it hits the fence. If the snowball is completely stopped by the fence
1 answer
asked by
c
269 views
A woman of mass 50 kg is swimming with a velocity of 1.6 m/s. If she stops stroking and glides to a stop in the water, what is
1 answer
asked by
d
353 views
A 0.41kg football that is initially at rest acquires a velocity of 35m/s when it is kicked. If the kicker's boot remains in
1 answer
asked by
e
260 views
The micrometer (1 μm) is often called the micron. (a) How many microns make up 3.0 km? (b) How many centimeters equal 3.0 μm?
1 answer
asked by
besho
266 views
Consider a thin ring of insulative material with a radius of 5 meters where the left half of the ring has been given a net
1 answer
asked by
anonymous
216 views
Pages
1
2
3
4
5
6
7