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Classical mechanics
Page 2
Questions (780)
The maximum lift force on a bat is proportional to the square of its flying speed v. For the hoary bat (Lasiurus cinereus), the
4 answers
asked by
Taylor
2,359 views
A ball with a mass 0.15kg is thrown upward with an initial velocity 20m/s from the roof of a building 30m high. Neglect air
4 answers
asked by
Anonymous
1,846 views
A large metal ball is at rest, and a small rubber ball is moving at a high velocity. When they collide, the large metal ball
7 answers
asked by
kiley
4,821 views
A wooden block of mass m = 9 kg starts from rest on an inclined plane sloped at an angle θ from the horizontal. The block is
4 answers
asked by
Mike
9,157 views
Boxes A and B are connected to each end of a light
vertical rope. A constant upward force F = 80.0 N is applied to box A.
5 answers
asked by
Kayla
6,828 views
A grasshopper jumps a horizontal distance of 1m from rest, with an initial velocity at a 45 degree angle with respect to the
5 answers
asked by
zara
9,371 views
Consider a pair of planets for which the distance between them decreases by a factor of 5. Demonstrate that the force between
4 answers
asked by
Astro
4,371 views
As shown in the figure below, a skateboarder starts at point A on the ramp and rises to point B, a maximum height of h = 2.89 m
5 answers
asked by
Anonymous
7,141 views
A meteor P is tracked by a radar observatory on the earth at O. When the meteor is directly overhead (theta = 90), the following
4 answers
asked by
Jessi
2,090 views
A chair of weight 150 lies atop a horizontal floor; the floor is not frictionless. You push on the chair with a force of = 36.0
4 answers
asked by
jj
1,117 views
A barbell is mounted on a nearly frictionless axle through its center. The low-mass rod has a length d = 0.27 m, and each ball
4 answers
asked by
Adam
2,621 views
How much applied force is needed to accelerate a 2.0 kg block of wood at 4.0m/s^2 along a rough table, against a 10 N force of
6 answers
asked by
Melissa
2,617 views
A 58.7-kg lead ball is dropped from the Leaning Tower of Pisa. The tower is 55.0 m high.
A) How far does the ball fall in the
4 answers
asked by
Anon
3,471 views
A massless string is wrapped around a cylinder of mass 0.400 kg and radius 0.100 m. The string is attached to the ceiling. The
5 answers
asked by
Chris
1,060 views
A 77 g arrow is fired from a bow whose string exerts an average force of 95 N on the arrow over a distance of 81 cm. What is the
4 answers
asked by
Anup
5,067 views
A 1kg mass is dropped from a height of 50m. At what height would the velocity be 1/4 of velocity attained before impact.
4 answers
asked by
Anonymous
1,033 views
A bullet (m = 0.0250 kg) is fired with a speed of 92.00 m/s and hits a block (M = 2.50 kg) supported by two light strings as
4 answers
asked by
Ron
2,047 views
EXERCISE 4.9 (a) Suppose a hockey puck slides down a frictionless ramp with an acceleration of 5.00 m/s2. What angle
does the
4 answers
asked by
hisham
4,523 views
A flowerpot falls from a windowsill 25.0 m above the sidewalk.
A. How fast is the flowerpot moving when it strikes the ground??
4 answers
asked by
Maggie
12,369 views
Air resistance acting on a falling body can be taken into account by the approximate relation for the acceleration: a= dv/dt = g
4 answers
asked by
Rose
4,937 views
Jane and John, with masses of 50 kg and 60 kg, respectively, stand on a frictionless surfact 10 m apart. John pulls on a rope
4 answers
asked by
Katelyn
2,155 views
"A workman sitting on top of a roof of a house drops his hammer. The roof is smooth and slopes at an angle of 30.0 degrees to
4 answers
asked by
Stuck
2,512 views
A metal rod has a mass of 17.62 g. A graduated cylinder contains 29.9 mL of water. The metal rod is added to the cylinder. The
4 answers
asked by
suzy
1,455 views
a 10-kg rock and a 20-kg rock are dropped at the same time and experience no significant air resistance. if the 10-kg rock falls
4 answers
asked by
Anonymous
2,676 views
Two masses m are attached to two vertices of an equilateral triangle made of three massless rods of length l. A pivot is located
4 answers
asked by
Anonymous
1,580 views
A car starts rolling down a 1-in-8 hill (1-in-8 means that for each 8 m traveled along the road, the elevation change is 1 m).
A)
4 answers
asked by
Brody
1,723 views
Two horizontal forces, F1 and F2, are acting on a box, but only F1 is shown in the drawing. F2 can point either to the right or
4 answers
asked by
Tiffany
1,925 views
A projectile is launched from ground level to the top of a cliff which is 195m away and 135m high (as shown in the figure ).If
4 answers
asked by
Jannie
979 views
a particle starts at time t = 0 and moves along the x axis so that its position at any time t>= 0 is given by x(t) =
4 answers
asked by
Lauren
3,905 views
You are playing catch with your sibling in your backyard. If you toss a ball at 15.0 m/s at an angle of 24.0° and your sibling
4 answers
asked by
john
1,649 views
A ball is thrown horizontally of a cliff. If the initial speed of the ball is 24.0 m/s and the cliff is 124.0 m high, how far
4 answers
asked by
Dalia
1,575 views
Two forces F1 = -7.50i + 6.00j and F2 = 8.40i + 7.50j are acting on a mass of m = 6.20 kg. The forces are measured in newtons.
4 answers
asked by
Sam Cole
761 views
A descent vehicle landing on the moon has
a vertical velocity toward the surface of the moon of 26.6 m/s. At the same time, it
3 answers
asked by
Camila Calero
1,755 views
find the mass of a ball on a roof 30 meters high, if the ball's gravitational energy is 58.8 joules.
4 answers
asked by
Anonymous
2,786 views
A ball rolls down a ramp that's set on a table, and from there falls off the table. The height of the ramp, length of the ramp,
2 answers
asked by
Mary
1,308 views
The 10 kg block shown is released from rest on the horizontal surface at point B, where the spring has been stretched a distance
4 answers
asked by
Brandon
783 views
A penny is dropped from rest from the top of a very tall building. Assuming the height of the building is 406 m and ignoring air
4 answers
asked by
Candy
3,335 views
A uniform thin sheet of metal is cut in the shape of a semicircle of radius R and lies in the xy plane with its center at the
4 answers
asked by
Jacob
1,449 views
Two blocks are connected by a light string that passes over a frictionless pulley. The system is released from rest while m2 is
4 answers
asked by
Anonymous
1,306 views
A sphere of mass 500g moving with a velocity of 200 cm s-1collides centrally with another sphere of mass 100 g moving with a
4 answers
asked by
Brijender Kumar Shah
1,333 views
(7) Show that if a particle moves at an angle θ with respect to the x-axis with speed u in frame S, then it moves at an angle
1 answer
asked by
Phil
442 views
Two small metal spheres with masses 2.0 g and 4.0 g are tied together by a 5.0 cm long massless
string and are at rest on a
4 answers
asked by
Arianne
1,583 views
A cat, walking along the window ledge of a New York apartment, knocks off a flower pot, which falls to the street 210 feet
4 answers
asked by
M
1,973 views
a particle moves in a straight line so that t seconds after passing a fixed point O its acceleration a cm per second is given by
4 answers
asked by
sadhna
1,992 views
Yo-Yo man releases a yo-yo from rest and allows it to drop, as he keeps the top end of the string stationary. The mass of the
4 answers
asked by
Joseph
2,356 views
Frank stands at the base of a building. He throws a 0.12kg rock straight up at a speed of 28m/s so that it rises to a maximum
2 answers
asked by
bob
548 views
Suppose you throw a stone straight up with an initial speed of 15.00 m/s
If you throw a second stone straight up 1.00s after the
4 answers
asked by
Sage
1,244 views
A stone thrown vertically upwards from the top of a building takes 3s to reach its maximum height . Find
1. The velocity with
3 answers
asked by
Anonymous
1,116 views
a block moves up 45degree incline w/ constant speed under the action of a force of 15n applied parallel to the incline.If the
4 answers
asked by
kmae
1,916 views
Two masses, m1=3kg and m2=2kg, are suspended with a massless rope over a pulley of mass M = 10kg. The pulley turns without
4 answers
asked by
Jake
3,023 views
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Parent Categories (4)
Dynamics
Kinematics
Mechanics
Physics