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A ball rolls off a tabletop with an initial velocity of 3 m/s. If the tabletop is 20 meter above the ground, calculate how far the ball travels horizontally when it hits the floor.
A 7.01- g bullet is moving at 563.00 m/s as it leaves the 0.58- m-long barrel of a rifle. What is the average force on the bullet as it moves down the barrel
a car of mass m accelerates from rest along a level straight track not at constant acceleration but with constant
A 0.31 kg point mass moving on africtionless horizontal surface is attached to a rubber band whose other end is fixed at point P. The rubber band exertsaforce F = bx toward P,where x is the length of the rubber bandand b is an unknown constant.
A spherical balloon of volume 3.94 103 cm3 contains helium at a pressure of 1.15 105 Pa. How many moles of helium are in the balloon
Two carts with masses m1 = 2:5 kg and m2 = 5:5 kg are movingtowards each other with velocities v1 = 4 m=s and v2 = 3 m=s. find the velocity of the combined carts
Katherine is attempting a biceps curl with a 100 N dumbbell. She is standing upright, and her forearm is horizontal. What torque is created by the dumbbell about the elbow joint
Consider a hollow spherical conductor with total charge +5e. The outer and inner radii are a and b, respectively. (a) Calculate the charge on the sphere's inner and outer surfaces if a charge of -3e is placed at the center of the sphere. (Use the ..
Gillian buys a pendulum clock at a discount store and discovers when she gets it home that it loses minutes each day.
An object is placed in front of a converging lens in such aposition that the lens (f = 17.0cm) creates a real image located 30.0 cmfrom the lens. What is the image distance of this new image
Two polarizing sheets are placed together with their transmission axes crossed so that no light is transmitted. A third sheet is inserted among them with its transmission axis at an angle of 38.0° with respect to the axis of the first sheet. Discover..
q1. a cannonball shot with the initial velocity of 129 ms at an angle of 36deg follows a parabolic path and hits a
A hammer slides down a roof of angle theta (respect to ground). It slides along the roof distance D. Find how far from the base of the building the hammer lands
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