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A motorcyclist intends to perform a stunt in which he jumps a river 25 meters wide. The motorcyclist must jump from a cliff on one side to a cliff 20 meters lower on the other side. The motorcyclist approaches the cliff's edge at a speed of 50 meters per second. To determine if he will successfully make the jump, answer the following questions:
a. How long will he be in the air?
b. How far will he travel in a horizontal direction?
c. Will he make the jump?
A pot containing1.00 liter of water, initially at 20.08C, is placed on a 1000 W electric heating element. How much heat must be supplied to the water to bring it to a boil
q1. a 36.0 kg uniform beam is attached to a wall with the hinge while its far end is supported by a cable such that the
A block of mass = 2.90 is attached to a string that is wrapped around the circumference of a wheel of radius = 7.20. The wheel rotates freely about its axis and the string wraps around its circumference without slipping. At first the wheel rotates..
Ten meter long steel railroad rails are laid end to end, with no space between, on a hot day when the temperature is 115.°F. How much space now exists between each rail
What is the change in kinetic energy of the puck
q1. a 52 kg person escapes from a burning building by jumping from a window 50 m above a catching net. assuming that
Write down an expression for the efficiency of the air cart bumper in terms of the initial and final kinetic energy of the cart. What defines a collision as elastic or inelastic.
A zookeeper and a monkey. The zookeeper shot a tranquilizer gun with an initial v=30m/s. The monkey was up on a tree 140m high. What is the monkeys speed during free fall
A disk of radius 10 cm, initially at rest, begins rotating about its axis with a constant angular acceleration of 8.2 rad/s2. compute the angular velocity of the disk
Under the influence of its drive force, a snowmobile is moving at a constant velocity along a horizontal patch of snow. compute the distance in which the snowmobile coasts to a halt
A 3.40-kg aluminum ball has an apparent mass of 2.10 kg when submerged in a particular liquid. Calculate the density of the fluid
Defend or refute the statements based upon your reading or any other outside sources you can quote. All statements must be backed up with citable references that are to be included in your discussion.
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