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Question: A car is moving straight at a speed of 60 miles per hour. It then turns at a bend of radius of curvature = 50 m. If the coefficient of friction between the car tires and the road is 0.35, will the car skid at the bend.
For safety in climbing, a mountaineer uses a nylon rope that is 60 m long and 1.0 cm in diameter. Find its Young's modulus
Grant Hill jumps 1.3m straight up into the air to slam dunk a basketball into the net. With what speed did he leave the floor
The rms speed of 1.0 mol of argon atoms (atomic weight 40 g/mol) in a box is 680 m/s. Treat the gas as ideal. What is the temperature inside the box
an electric motor lifts an elevator car at the constant speed of 2 m/s. The power consumed by the motor to perform this task is 40000 W. what is the mass of the elevator
A transformer takes 120V (RMS) from a household circuit and drops it to supply a secondary circuit at 8V (RMS) to power a dorbell at 3.75A (RMS). What is the peak current in the primary coil of the transformer
A physicist is designing a cyclotron to accelerate protons toone tenth the speed of light. The magnet used will produce a fieldof 1.4 T. Calculate the radius of the cyclotron
question1a uniform bar is propped against an extremely slick vertical wall. the force of static friction between upper
a magnetic field is oriented at an angle of 37 degrees to the normal of a rectangular area 4.5 cm by 7.0 cm. if the
q1. two wires each 28.15 cm long are connected to two separate 9.00 v batteries as shown in the figure. the resistance
A golf ball is dropped from rest from a height of 8.10 m. It hits the pavement, then bounces back up, rising just 5.60 m before falling back down again. calculate the total amount of time that the ball is in the air
A 25 kg suitcase is being pulled with constant speed by a handle that is at an angle of 22 degrees above the horizontal. what is the force F applied to the handle
A hollow sphere of inner radius 6.2 cm and outer radius 7.2 cm floats half-submerged in a liquid of density 775 kg/m3. What is the mass of the sphere
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