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In a circus performance, a large 5.0-kg hoop of radius 3.0 m rolls without slipping. If the hoop is given an angular speed of 3.0rad/s while rolling on the horizontal and allowed to roll up a rampinclined at 20 degrees with the horizontal, how far (measured alongthe incline) does the hoop roll?
the coefficient of static friction is 0.26. If you apply the minimum force needed to get the refrigerator to move, illustrate what will the acceleration then be?
A transverse sinusoidal wave on a string has a period T =28.0 ms and travels in the negativex direction with a speed of 25.0 m/s. What is the initial phase angle
a 150g block on a frictionless table is firmly attached to one end of a spring with k 30nm . the other end of the
two cars drive on a straight highway. at time t 0 car 1 passes mile marker 0 traveling due east with a speed of 24.0
A block with mass m = 16.0 kg rests on a frictionless table and is accelerated by a spring with spring constant k = 4997.0 N/m after being compressed a distance x1 = 0.548 m from the spring's unstretched length. find the speed of the block right af..
You want to take a full-length photo of your friend who is 2.00m tall, using a 35.0mm camera having a 50.0mm lens. How far should your friend stand from the lens
question1a small immersion heater can be used to heat a cup of water for coffee or tea. if the heater can heat 180ml
0.0029 J of energy are stored in a parallel-plate capacitor whose plates each have area 0.30 m2 and are 1.5 mm apart
the three capacitors c2.0 uf micro f in parallel are connected across a 30-v battery.a. find the charge on each
A 0.320 kg croquet ball makes an elastic head-on collision with a second ball initially at rest. The second ball moves off with half the original speed of the first ball. (a) What is the mass of the second ball? kg (b) What fraction of the original k..
A heat engine takes in 126 kJ of heat from a reservoir at 820 K and exhausts 88 kJ to a reservoir at 292 K. What is the efficiency of an ideal engine operating between the same two reservoirs
10 A of current flows through a wire oriented perpendicular to a magnetic field strength of .2T, What is the magnetic force per unit length on the wire?
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