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A coin placed on a turntable rotating at 40.0 rev/min will stay there if its center is placed no further than 8.5 cm from the axis of rotation.
What is the maximum distance the center of the coin can be placed from the axis if the turntable rotates at 47.6 rev/min?
What is the coefficient of friction between the coin and turntable?
A javelin is thrown at an initial speed of 28.5 m/s at an initial height of 1.93 m above the ground, Find this maximum range
A 7.5 nC charge is located 1.8m from a 4.2 nC charge. Find out the magnitude of the electrostatic force that one charge exerts on the other. Is the force attractive or repulsive.
A 55 kg person is riding in a hot air balloon and scale shows this person's weight too be 549N. the acceleration of gravity at the location of the balloon is known to be 9.79 m/s/s.
Explain why you think the Petroleum Marketing Practices Act was not passed until 1979 even though gasoline service station franchise arrangements had been in existence for decades before 1979.
At a construction site, a 63.0 bucket of concrete hangs from a light (but strong) cable that passes over a light friction-free pulley and is connected to an 83.0 box on the horizontal roof. The cable pulls horizontally on the box, and a 45.0 bag of g..
Illustrate what is the angular velocity of the merry-go-round now? What if the people were on it initially and then jumped off in a radial direction (relative to the merry-go-round)?
where the woman falls down from a great height, and comes to a full stop. For which case is the change in the woman's momentum the largest? For which case is the Impulse the largest?
A hockey player strikes a 166 g puck, accelerating it from rest to 48 m/s. If the hockey stick is in contact with the puck for 2.5 ms, what is the average force applied by the stick
The pulley is frictionless and of negligible mass. The coefficient of kinetic friction between mass 1 and teh ramp is 0.25. Evaluate the change in kinetic energy of the 50 kg block as it moves from a to b, a distance of 20 m
Illustrate the security threats that An industry will face when it implements a wireless network. Suppose that the industry occupies the six middle floors
The tallest volcano in the solar system is the 22km tall Martian volcano, Olympus Mons. An astronaut drops a ball off the rim of the crater and that the free fall acceleration of the ball remains constant throughout the ball's 22km fall at a value..
A steel cable has a cross-sectional area 3.44 × 10-3 m2 and is kept under a tension of 3.33 × 104 N. The density of steel is 7860 kg/m3. Note that this value is not the linear density of the cable. At what speed does a transverse wave move along t..
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