Questions LLC
Login
or
Sign Up
Ask a New Question
Categories
physic
Page 2
Questions
how will you examine the relationship between acceleration and mass when you change the mass of an object while applying the
4 answers
asked by
hannah
810 views
if you apply a force of 1.0N to a cart of mass 1.0kg with negligible friction, what do you expect the acceleration to be?
4 answers
asked by
wiki
1,662 views
Hi! please help
A sledge loaded with bricks has a total mass of 17.8 kg and is pulled at constant speed by a rope inclined at
2 answers
asked by
Chan
855 views
A 0.34 kg particle has a speed of 2.0 m/s at point A and kinetic energy of 7.5 J at point B.
(a) What is its kinetic energy at A?
2 answers
asked by
Chan
498 views
Hooke's law describes a certain light spring of unstretched length 30.0 cm. When one end is attached to the top of a door frame,
4 answers
asked by
Chan
851 views
A block of mass 12.0 kg slides from rest down a frictionless 34.0° incline and is stopped by a strong spring with k = 2.5 104
3 answers
asked by
Chan
531 views
Please help me I have no idea how to do this problem at all.
Question:A sledge loaded with bricks has a total mass of 17.8 kg and
3 answers
asked by
Chan
521 views
please help, I really appriciate you help alot.
Question:A 0.34 kg particle has a speed of 2.0 m/s at point A and kinetic energy
1 answer
asked by
Chan
445 views
Hi! I try already but, the answer is wrong could you help me to fix it out.
A sledge loaded with bricks has a total mass of 17.8
2 answers
asked by
Chan
625 views
please help me.A 5.00 g object moving to the right at +20.0 cm/s makes an elastic head-on collision with a 10.0 g object that is
2 answers
asked by
Chan
1,011 views
Hi! could you help me to start this problem becuase I had try so many time and did not get it right at all please. Thank you so
2 answers
asked by
Chan
662 views
Hi!could anyone help me with this problem please because I been trying so many time and did not get it. Greatly appreciate it.
2 answers
asked by
Chan
608 views
Hi!could anyone help me please, I don't get it. Thank you so much for your help.
Question:(a) What is the tangential acceleration
2 answers
asked by
Chan
528 views
Hi!Need help please.
Question:A car initially traveling at 24.0 m/s undergoes a constant negative acceleration of magnitude 2.10
2 answers
asked by
Chan
674 views
Hi! could you help this problem please try so many time but, the answer is not correct.
Question:The tires on a new compact car
2 answers
asked by
Chan
582 views
Hi! could you help this problem please try so many time but, the answer is not correct.
Question:The tires on a new compact car
3 answers
asked by
Chan
531 views
Water flows through a 4.0-cm-diameler horizontal pipe ata speed uf 1.3 m/s. The pipe then narrows down to a diameter of 2.0 cm.
4 answers
asked by
john
1,467 views
Hi,could anyone help me with this questin please. Thank you so much.
some folks on your planet waant to travel to the moon.But
2 answers
asked by
Chan
608 views
Help me please.Thank you so much
A uniform plank of length 2.00 m and mass 25.0 kg is supported by three ropes, as indicated by
2 answers
asked by
Chan
556 views
hi,need help please.thank.
A car is designed to get its energy from a rotating flywheel (solid disk) with a radius of 2.00 m and
2 answers
asked by
Chan
872 views
Need Help please.
Consider the following mass distribution where the x and y coordinates are given in meters: 5.0 kg at (0.0,
3 answers
asked by
Chan
4,100 views
hi,need help please.thank.
A car is designed to get its energy from a rotating flywheel (solid disk) with a radius of 2.00 m and
2 answers
asked by
Chan
580 views
Hi! I really need help on Part B only.
(a) Calculate the absolute pressure at the bottom of a freshwater lake at a depth of 28.7
4 answers
asked by
Chan
988 views
If A Ball Is Dropped From Rest And Falls 4 Meters In 0.8 Seconds, What Is The Final Velocity When It Reaches The 4 M?
1 answer
asked by
nesha
392 views
HI!can anyone help me please, just on part b.Thank you so much.
A spherical steel ball bearing has a diameter of 2.540 cm at
2 answers
asked by
Chan
546 views
Hi! help me please, Thank you.
A spherical steel ball bearing has a diameter of 2.540 cm at 23°C. (a) What is the diameter when
2 answers
asked by
Chan
650 views
Hi! Help me please, thank you so much.
What mass of water at 28.0 °C must be allowed to come to thermal equilibrium with a
2 answers
asked by
Chan
516 views
A sensitive gravimeter at a mountain observatory finds that the free-fall acceleration is 7.00×10^-3 m/s^2 less than that at
7 answers
asked by
peggy
3,122 views
An air-track glider attached to a spring oscillates between the 3.00 cm mark and the 50.0 cm mark on the track. The glider
2 answers
asked by
peggy
1,294 views
The amplitude of an oscillator decreases to 36.2% of its initial value in 20.5 s. What is the value of the time constant?
3 answers
asked by
elena
1,389 views
please help me im stuck.
A 400 g air-track glider attached to a spring with spring constant 9.00 N/m is sitting at rest on a
3 answers
asked by
jordan
1,424 views
please help, i have done the part a and b but i don't know how to do part c.
An air-track glider attached to a spring oscillates
1 answer
asked by
laura
353 views
the useful carry of a racket is as 5% of all its mass,the other part is fuel.if the racket start moving from the static state,
1 answer
asked by
kate
250 views
What is kinetic energy after collision of mass 4kg moving 6m/s in +y direction collids and stick to another object with mass 2kg
2 answers
asked by
yokzo
630 views
what is equation for total work and final kinetic energy
1 answer
asked by
yokzo
343 views
Two spherical balls are placed so their centers are 2.6 m apart. The force between the two balls is 2.75 x 10-12 N. What is the
4 answers
asked by
susan
2,541 views
How long (in ns) does it take light to travel 1.00 m in vacuum?
What distance does light travel in water during the time that it
3 answers
asked by
mary
895 views
A laser beam in air is incident on a liquid at an angle of 40.0^\circ with respect to the normal. The laser beam's angle in the
2 answers
asked by
elina
662 views
A student on a piano stool rotates freely with an angular speed of 3.07 rev/s. The student holds a 1.38 kg mass in each
1 answer
asked by
Mary
688 views
he current in a 100 watt lightbulb is 0.840 A. The filament inside the bulb is 0.140 mm in diameter.
a) What is the current
1 answer
asked by
elena
600 views
In a house the temperature at the surface of a window is 25 ¡ãC. The temperature outside at the window surface is 5.0 ¡ãC.
4 answers
asked by
firous
1,647 views
An 85.0-N backpack is hung from the middle of an aluminum wire, The degree of hung of the wire is 3 degree. The temperature of
1 answer
asked by
firous
760 views
A roller-coaster car has a mass of 500 kg when fully loaded with passengers. The car passes over a hill of radius 15 m, as
3 answers
asked by
yusra
1,783 views
An object attached to the end of a string swings in a vertical circle (R = 1.2 m), as shown. At an instant when ƒá = 30„a,
2 answers
asked by
yusra
1,357 views
A 4 kg object is attached to a vertical rod by two strings, as in the figure. The object rotates in a horizontal circle at
3 answers
asked by
yusra
839 views
In an accidental explosion, a satellite breaks in half while in circular orbit about Earth. One half is brought momentarily to
2 answers
asked by
bernice
542 views
The friction force between the bag and the floor is 15 newtons. What is the net force acting on the bag? and acceleration
1 answer
asked by
Alicia
397 views
a force of 3.5 N is applied to a spring which obeys Hooke's law and produces and extension of 0.07m.
calculate the spring
2 answers
asked by
ablin
730 views
how to calculate the minimum time period of bar penduldum?
1 answer
asked by
bijay
254 views
what would be the height of a water barometer if atmospheric pressure is 1.0*10^5 Pa and the density of water is 1.0*10^3
1 answer
asked by
ephraim
427 views
Charge must be present at a location in order for there to be electrical potential energy. Must charge also be present at a
4 answers
asked by
Nicole
604 views
a solid aluminum ingot weighs 89N in air a)what is the volume b)the ingot is suspended from a rope and totally immersed in
1 answer
asked by
kris-
471 views
two figure skaters, one weighting 625N and the other 725N,push off against each other on frictionless ice. a) if the heavest
4 answers
asked by
kris-
3,231 views
mars once may have had an ocean 0.50 km deep. the acceleration due to gravity on mars is 0.379g, and we shall assume
1 answer
asked by
janae
504 views
you need to extend a 2.50 inch diameter pipe, but you only have 1.00 inch diameter pipe on hand.you make a fitting to connect
4 answers
asked by
steve
1,564 views
a pipe is 40% blocked the water is coming into the region is moving at 8.5cm/s just before the blocked segment of pipe. What is
1 answer
asked by
lisa
435 views
A girl throws a stone from a bridge. Consider the following ways she might throw the stone. The speed of the stone as it leaves
4 answers
asked by
lisa
1,917 views
An aluminum rod is 10.0 cm long and a steel rod is 80.0 cm long when both rods are at a temperature of15 degrees cel. Both rods
1 answer
asked by
Paul
1,194 views
a 40.0 ohm resistor and a 90.0 ohm resistor are connected in parallel, and the combination is connected across a 120 V dc line.
3 answers
asked by
paul
1,566 views
The resistivity of gold is at a temperature of 20°C. A gold wire, 1.8 mm in diameter and 14 cm long, carries a current of 480
3 answers
asked by
paul
1,491 views
How much current will be flowing through a 57.0m length of copper wire with radius 5.7mm if it is connected to a source
3 answers
asked by
kris
1,676 views
component with a 17 Ù resistor is rated for use at power levels not exceeding 14W. How much current can safely flow through the
2 answers
asked by
lisa
1,020 views
Which of these diagrams may possibly correspond to the situation at point B on the motion diagram?
Type, in increasing order, the
4 answers
asked by
padi
3,629 views
Calculate the true mass (in vacuum) of a piece of aluminum whose apparent mass is 4.5000 kg when weighed in air.
1 answer
asked by
Ash
674 views
A spring (80 {\rm N/m}) has an equilibrium length of 1.00 {\rm m}. The spring is compressed to a length of 0.50 {\rm m} and a
3 answers
asked by
fatiey
805 views
A spring (80 {\rm N/m}) has an equilibrium length of 1.00 {\rm m}. The spring is compressed to a length of 0.50 {\rm m} and a
2 answers
asked by
fatiey
547 views
A diver running 1.8m/s dives out horizontally from the edge of a vertical cliff and 3.0s later reaches the water below. How high
3 answers
asked by
john
758 views
if a ballon gets launched at 60mi/hr at an angle of 38 degrees. How far will it travel in meters?
7 answers
asked by
cristian
478 views
Wheel A of radius ra = 6.1 cm is coupled by belt B to wheel C of radius rc = 33.3 cm. Wheel A increases its angular speed from
2 answers
asked by
venuya
562 views
Wheel A of radius ra = 6.1 cm is coupled by belt B to wheel C of radius rc = 33.3 cm. Wheel A increases its angular speed from
1 answer
asked by
12isabelle
509 views
A bicycle with 55.20 cm diameter wheels is traveling at 23.60 km/hr.
At what angular speed do the wheels turn? answer is 23.8 but
3 answers
asked by
venuya
1,787 views
The angular position of a point on the rim of a 45.8 cm rotating wheel is given by θ(t) = 3.6 t2 − 2.8 t +7.5,
What is the
1 answer
asked by
annie
390 views
The velocity vector V1 has a magnitude of 3.0 m/s and is directed along the +x-axis. The velocity vector V2 has a magnitude of
2 answers
asked by
emma
826 views
A 57 kg boy and a 42 kg girl use an elastic rope
while engaged in a tug-of-war on a frictionless icy surface. If the acceleration
3 answers
asked by
Wendia
603 views
how to caluate a ke vs. time graph
1 answer
asked by
rachel
308 views
state the resultant force actin on a vehicle travelling a a constant speed of120km/h on a straight sectio of the road.
1 answer
asked by
chelsea
324 views
Eight books, each 8.5 cm thick with mass 1.3 kg, lie flat on a table.How much work is required to stack them one on top of
2 answers
asked by
Anonymous
931 views
Search: The barrels of the 16 in guns (bore diameter = 16 in. = 41 cm) on the World War II battleship U.S.S. Massachusetts were
4 answers
asked by
Anonymous
1,550 views
golf is just as popular as it is on earth. A golfer tees off and drives the ball 4.5 times as far as he would have on earth,
4 answers
asked by
kya
1,430 views
.Question part Points Submissions 1
¨C/1 0/2 Total ¨C/1 ...A volleyball is spiked so that it has an initial velocity of 18 m/s
2 answers
asked by
kya
543 views
if a tape is wound around a cylinder at a rate of 1 rad/s for a half hour, if each rotation deposits one layer of tape and if
1 answer
asked by
angie
440 views
Six roller-coaster carts pass over the same semicircular "bump." The mass M of each cart (including passenger) and the normal
1 answer
asked by
mike
1,350 views
A mechanic pushes a 2,500 kg car from rest to a speed v, with 5000J of work. During this process the car moves 25m. Neglecting
2 answers
asked by
Luz
1,082 views
to move a large crate across a rough floor, you push down on it at an angle of 21 degree. find the force necessary to start the
3 answers
asked by
sid
746 views
a SHO has a maximum speed of 5m/s. How fast will it be going when the potential energy is seven-ninths of the kinetic energy.
1 answer
asked by
brandy
307 views
A gymnast of mass 68.0 {\rm kg} hangs from a vertical rope attached to the ceiling. You can ignore the weight of the rope and
2 answers
asked by
mas
919 views
how do you find the acceleration for kinetic friction?
5 answers
asked by
elizabeth
279 views
The drawing (not to scale) shows one alignment of the sun, earth, and moon. The gravitational force SM that the sun exerts on
4 answers
asked by
hy
1,300 views
The acceleration due to gravity of mars is 3.7 m/s2. An astronautto throw a tennis ball 70 m upward on mars. How high will he
2 answers
asked by
icasem
510 views
one airplane travels due north at 300 km/h while another travels due south at 300km/h. select the false statement.
1 answer
asked by
mary
418 views
An SUV is negotiating a horizontal unbanked turn. The radius of the turn is 20m, the center of gravity of the vehicle is 1m
1 answer
asked by
Billie
430 views
A water skier has a mass of 73 kg. Find the magnitude of the net force acting on the skier when she lets go of the tow rope and
1 answer
asked by
hy
848 views
An object has a kinetic energy of 329 J and a momentum of magnitude 22.3 kg·m/s.
1 answer
asked by
sabi
726 views
Two parallel wires carry current of 1.6 ka in opposite directions. the distance between the wires is r=1.6 m compute the
2 answers
asked by
Suzi
797 views
Two equal masses are attached to separate identical springs next to one another. One mass is pulled so its spring stretches 20
2 answers
asked by
leya
904 views
2. While throwing a football, you exert a forward force of 50.0 N on it and push it forward a distance of 1.2 m.
1 answer
asked by
sabrina
303 views
all of the following are true about water except that it
1 answer
asked by
maurice
350 views
A bobsled slides down an ice track starting
(at zero initial speed) from the top of a(n) 146 m high hill. The acceleration of
3 answers
asked by
Drake
1,436 views
how is the time for which work a machine and it does a work?
t=? A=9.3*10^4J P=1.3*10^4W
1 answer
asked by
gdbtv
236 views
2. Rank the following in the order of how much of a corona discharge they would produce, from highest to least (e.g., if D is
1 answer
asked by
sabrina
431 views
Pages
1
2
3
4
5
6
7