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The velocity of a diver just before hitting the water is -11.4 m/s, where the minus sign specifies that her motion is directly downward. Find her displacement during the last 1.35 s of the dive?
A 3.0-kg block is pulled along a FRICTIONLESS surface with a force of 42N. Attached to that block with a light string is another 3.0-kg block. what is the tension in the string
The car collides and becomes stuck to a 5000kg truck travelling west at along South Street at the intersection of South Street and Murdoch Drive. Illustrate what is the final velocity of the vehicles after the collision if the truck was travelling..
A baseball outfielder throws a .150-kg baseball at a speed of 40.0m/s and an initial angle of 30 degrees. What is the kinetic energy of the baseball at the highest point of its trajectory?
An automobile tire is inflated with air originally at 10.0°C and normal atmospheric pressure. What is the tire pressure in pascals
The Moon has one fourth of the diameter of the Earth with just 1.25 % of its mass. Calculate the gravitational acceleration on the surface of the Moon
A copper wire and an aluminum wire of the same length have the same resistance. What is the ratio of the diameter of the copper wire to that of the aluminum wire
Sally expends 10320 J of energy to drag a wooden crate 24.7 m across a floor with a constant speed. The rope makes an angle of 48.0° with the horizontal. How much force does the rope exert on the crate
A 6.4g lead bullet traveling at 460m/s is stopped by a large tree. If half the kinetic energy of the bullet is transformed into internal energy and remains with the bullet while the other half is transmitted to the tree, what is the increase in te..
an astronaut is performing a space walk outside the international space station. the total mass of the astronaut with
A soccer ball is kicked with an initial horizontal velocity of 16.0 m/s and an initial vertical velocity of 18.0 m/s. How far from where it was kicked will the ball land
An electron moving at a speed of vi= 0.960c in the positivex direction collides with another electron at rest, Based only on the original data given in the problem, use conservation of energy to find the speed of the second electron
A 50.0-kg child on a 2.0 m long swing is released from rest when the swing supports make an angle of 30 degrees with the vertical. find the potential and kinetic energies of the child
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