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Question: A 3 kg block with an initial velocity of 4.2 slides 25° incline. If the block slides 1.5 m up the incline before coming to rest (instantaneously),
Part A: What is the coefficient of kinetic friction on the incline?
I want help to determine the coefficient of kinetic friction on the incline.
You can determine the index of refraction of a substance by determining its critical angle. What would the critical angle be for this substance in air
A force of 29.73 N is applied tangentially to a wheel of radius 0.34 m. This force causes an angular acceleration of 1.20 rad/s2. What is the rotational inertia of the wheel
Two carts with masses of 10.60 kg and 2.50 kg, respectively, move in opposite directions on a frictionless horizontal track with speeds of 6.70 m/s and 3.50 m/s, in that order. The carts stick together after colliding head-on. Find the final speed of..
When connected in series to a 110-V line, two resistors use one-fourth the power that is used when they are connected in parallel. what is the resistance of the other
A person wants to push an 80-kg box across the floor. The coefficient of friction between the box and the floor is 0.5. What is the normal force experienced by the box as it sits on the floor
The current in a coil drops from 3.9 A to 1.8 A in 0.53 s. If the average emf induced in the coil is 12 mV, what is the self-inductance of the coil
A beam of 800 keV gamma is mormally incident on a sheet of lead 12mm thick. the rate of energy transmission is 3x10^5 MeV s^-1. What fraction of the incident photon energy is absorbed in the sheet? How many photons per second are incident on the she..
The acceleration of gravity is 10 m/s2. What is the acceleration of a 39 kg pail of cement that is pulled upward (not sideways) with a force of 421 N? Answer in units of m/s2.
A block of mass m starts from rest at the top of a ramp of vertical height h . The block slides down frictionless ramp and reaches a speed v at the bottom . if the same bock were to reach a speed 3v at the bottom , it would need to slide down a fr..
King Arthur's knights fire a cannon from the top of the castle wall. The cannonball is fired at a speed of 50 m/s and at an angle of 35°. What is the ball's maximum height above the ground
A student throws a ball vertically upward such that it travels 7.5m to its maximum height. What is the ball's average velocity
Neglect air resistance, as well as any energy absorbed by the pole, and clarify her altitude as she crosses the bar.
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