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A sphere rolls, without slipping, down an incline. The sphere has a mass of 0.450 kg and a radius of 6.78 cm. The incline makes an angle of 21.4° relative to the horizontal. The sphere accelerates down the incline at a rate of 2.97 m/s2. Based upon this information, what is the rotational inertia of the sphere?
Carry out the following arithmetic operations: (a) sum of the measured values 756, 37.2, 0.83 and 2.5. The answer must be in significant digits. Since 2.5 and 0.83 have two significant digits, shouldn't the answer be 800 instead of 797.
A Styrofoam cup holding 155 g of hot water at 97°C cools to room temperature, 23.0°C. What is the change in entropy of the room
A 4.0-kg object has a velocity of 4.0 m/s headed east. An explosion causes it to break up into two smaller 2.0-kg objects. what is the velocity of the other object after the explosion
An idealized voltmeter is connected across the terminals of a 16.5-V battery, and a 79.5-?appliance is also connected across its terminals. How much power is being dissipated by the appliance
An unstable particle having mass of 5.00x10^-27 kg is initially at rest. Find the rest masses of the fragments
A radar antenna is tracking a satellite orbiting the earth. At a certain time,the radar screen shows the satellite to be 162 km away.The radar antenna is pointing upward at the angle of 62.3 degrees from the ground.find the x and y components(in k..
three protons are positioned at the corners of an equilateral triangle with sides 2mm in length. What is the leectric field at the enter of one of the edges of the triangle
A proton at speed v=3.20*105 m/s orbits at a radius of 2.4 cm outside a uniformly charged sphere. Determine the total charge on the sphere
A speeder is pulling directly away and increasing his distance from a police car that is moving at 23 m/s with respect to the ground. The radar gun in the police car emits an electromagnetic wave with a frequency of 7.00 109 Hz.
q1. sphere pendulum has mass of 1.5 kg attached to a cord length of 11.5 m sphere is released from rest while cord
q1. a driver in a car travelling at a speed of 58.0 mih sees a deer 126 m away on the road. calculate the minimum
The drag coefficient, D, for a spherical raindrop with a radius of 0.445cm falling at its terminal velocity is 1.74×10?5kg/m. Calculate the raindrop's terminal velocity in \rm m/s
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