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Physics
Page 30
Questions (147,044)
The velocity of a particle moving along the x-axis is v(t) = t2 – 2t, with t measured in minutes and v(t) measured in feet per
5 answers
asked by
Anonymous
4,238 views
A block starts at rest and slides down a frictionless track except for a small rough area on a horizontal section of the
5 answers
asked by
Becky
9,497 views
Fifty grams of hot water at 80oC is poured into a cavity in a very large block of ice at 0oC. The final temperature of the water
5 answers
asked by
Ceres
4,046 views
1.state the mathematical relationship between the net force acting on an object and the object's change in momentum.
2state the
6 answers
asked by
OwamIII
3,066 views
If a 2000kg coaster is moving at 10 m/s on the top of the loop, what is the magnitude of the normal force that the track applies
7 answers
asked by
tyger2020
1,239 views
A 6.0kg block is released from rest 80m above the ground. When it has fallen 60m its kinetic energy is:
I got 1200J as my answer
3 answers
asked by
susane
2,120 views
Two people are pulling a boat through the water as in Figure P4.20. Each exerts a force of 600 N directed at a θ = 45.0° angle
4 answers
asked by
nat
4,879 views
Predicting changes in kinetic energy quick check 1-5
1. The Object with greater speed 2. The car is moving faster 3. A core with
6 answers
asked by
Correct connexus
1,962 views
if a pump discharges 75 gpm of water whose specific weight is 61.5 lb/ft^3(g=31.95fps^2). find a) the mass flow rate in lb/min,
5 answers
asked by
18ms
18,291 views
Two identical small charged spheres, each having a mass of 5.0x102 kg and having the
magnitudes of -3µC and -4µC, hang in
2 answers
asked by
Kondwani moyo
121 views
A metal block has a mass of 45g and a volume of 6cm^3. Calculate the density of the block
4 answers
asked by
Beatrice
274 views
Vivian is walking to the hairdresser's at 1.3 m/s when she glances at her watch and realizes that she is going to be late for
7 answers
asked by
Karina
9,199 views
Projectile motion problem. The maximum range for a projectile is achieved when the projectile is fired at 45 degrees. This is
3 answers
asked by
Alex
708 views
Waves Unit Test Science 8th Grade Connexus Academy
What is the main difference between a light wave and a sound wave?(1 point)
6 answers
asked by
anonymous.
481 views
The tire have a driving force 3000N. The air resistance is 370N and the total rolling resistance is 160N.
What is the residual
2 answers
asked by
Mahboob
148 views
A baseball collides with a baseball glove. Which equation is used to calculate the force the glove exerts on the ball during the
5 answers
asked by
lol help
1,252 views
Which falling object will result in the least kinetic energy when it collides with the ground? (1 point)
A. 10 grams of water,
10 answers
asked by
Warrior Cat Lover
4,446 views
A comet speeds up as it approaches the Sun. Which statement about its kinetic energy is correct?
3 answers
asked anonymously
524 views
XYZ are three points on a straight road.A car passes X with a velocity of 5m/s.It travels from X to Y with a constant
4 answers
asked by
Kosy
1,131 views
A torque of 77.7 Nm causes a wheel to start from rest, completes 5.55 revolutions and attains a final angular velocity of 88.8
6 answers
asked by
Tyger2020
1,334 views
The Density of aluminum is 2.70 g/cm3. What volume does 2000 g occupy?
4 answers
asked by
CLaudette
2,346 views
A wooden box with a mass of 10.0kg rests on a ramp that is inclined at angle of 25 degrees to the horizontal. A rope attached to
4 answers
asked by
Lupita
4,534 views
1. A spring bearing a 10-pound weight has stretched 0.5 inches. If you were to increase the weight to 15 pounds, how many inches
2 answers
asked by
Muzammil
250 views
A shaving/makeup mirror is designed to magnify your face by a factor of 1.27 when your face is placed 23.5 cm in front of it.
5 answers
asked by
###Nadine####
6,782 views
A ball rolls down an inclined track 2m long in 4s.find time taken to cover the second metre of the track
7 answers
asked by
Anonymous
7,449 views
A dart gun vertically launches a 25g dart 50 cm high. Determine the minimum energy stored in the spring when the dart gun was
5 answers
asked by
AnnWarren
4,805 views
Calculate the resultant of five coplanar forces of values 10N,12N,16N,20N,15N acting on an object at 0
9 answers
asked by
Jane
3,495 views
1. In which of the following situations is a sound wave most likely to travel through air?
A) An alarm clock rings in a vacuum.
61 answers
asked by
Jasmine
22,375 views
1. A 15 kg boy falls out of his bed at a height of 0.50 m. What is the amount of gravitational potential energy lost by the boy?
5 answers
asked by
Liz
4,410 views
your pet dog runs around in circles, chasing his tail. Does this mean acceleration?
6 answers
asked by
erica
4,841 views
a block of mass 2.50 kg rests on a ramp. if the coefficient of static friction between the block and ramp is 0.350, what maximum
7 answers
asked by
JayCee
4,439 views
What is the wavwlentgh in meters of orange light of wavelength 615nm?
Convert 6ft to meters and 168lb to kg.
4 answers
asked by
Jing
1,928 views
Which statement explains how the charges on objects determine the electric force between them?(1 point)
Responses Objects with
7 answers
asked by
*shrugs shoulders
253 views
Eduardo has a 32-gallon fish tank. Describe what this measurement means.(1 point)
47 answers
asked by
strawberry
208 views
A science project studying catapults sent a projectile into the air with an initial velocity of 24.5 m/s. The formula for
4 answers
asked by
Tim
1,384 views
Consider a piece of wire with uniform density. It is the quarter of a circle in the first quadrant. The circle is centered at
4 answers
asked by
ally
2,673 views
A bullet with a mass m = 4.83 g and initial speed of 330 m/s passes through a wheel which is initially at rest as in the figure.
5 answers
asked by
jhay
5,069 views
Calculate the wavelength of light that must be absorbed by hydrogen atom in its ground state to reach the excited ste of
4 answers
asked by
Ivy
2,499 views
m1 = 2.7 kg block slides on a frictionless horizontal surface and is connected on one side to a spring (k = 40 N/m) as shown in
5 answers
asked by
mary
4,111 views
a machine was used to lift a load of 30N through a distance of 2metres. the effort applied was 10N through a distance of
5 answers
asked by
Phidelis
1,482 views
The graph in Figure 10-22 shows the force and displacement of an object being pulled.
Figure 10-22 (a) Calculate the work done to
6 answers
asked by
Manny Aragon
2,493 views
Which is electromagnetic radiation with wavelengths between 380 nm and 700 nm?(1 point)
Responses ultraviolet light ultraviolet
5 answers
asked anonymously
265 views
The students in Mr. Jones' class designed their own electromagnetic with a copper wire, a D battery, and a large iron nail. All
2 answers
asked by
Help The ELA Kid📃✏️😔
117 views
What causes a maglev train to hover above the track?(1 point)
Responses repellant magnetic force repellant magnetic force
4 answers
asked by
456789
161 views
Gravitational Force Quick Check
Assuming these planets were similar in radius, which planet would an object weigh the most? (1
4 answers
asked by
i need help
421 views
What happens when thermal energy is applied to an ice cube? (1 point)
Its water molecules lose kinetic energy, so the ice cube
3 answers
asked by
Hlo
152 views
Use the image to complete the statement.
Compared to wave A, wave B has a _____. (1 point) Responses longer wavelength and
1 answer
asked by
Bazol
508 views
Why does a girl skateboarding on a half-pipe not remain in motion forever?
a none of the above b her energy is transformed into
4 answers
asked by
A
188 views
An octopus propels itself through the water by ejecting water through a funnel in its body. How does this demonstrate Newton’s
6 answers
asked by
wiggle
627 views
How does a simmering pot of spaghetti sauce illustrate convection currents? (1 point)
Warmer sauce at the bottom of the pot is
3 answers
asked by
I.D.C.I.I.C.I.S.S.I.N.T.D.W.H.T.B.D.
360 views
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