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1. A 0.30 kg puck, initially at rest on a frictionless horizontal surface, is struck (inelastically) by a 0.20 kg puck that is initially moving along the x-axis with a velocity of 2.0 m/s. After the collision, the 0.20 kg puck has a speed of 1.0 m/s at an angle of 53° to the +x-axis. Determine the magnitude and direction of the velocity of the 0.30 kg puck after the collision.
2. A car with a speed of 40 km/h approaches the bottom of an icy hill. The hill has an angle of inclination of 10.5°. The driver applies the brakes, which causes the car to skid up the hill. If the coefficient of kinetic friction between the ice and the tires is 0.153, how far, measured up the incline, is the car on the hill when it stops?
Suppose a block with mass 2.70 kg is resting on a ramp. If the coefficient of static friction between the block and the ramp is 0.310, Find the maximum static friction force that acts on the block
three point charges lie along a straight line where q1 6.00microc q2 1.50microc and q3 -2.00microc. the separation
A coil with inductance 370 mH is connected in series with a 220 ohm resistor, a 47.0 microF capacitor and a 25.0 V, 60.0 Hz AC source. Find the total impedance in this circuit
A 2000 kg car is traveling at 15.0 m/s down a long mountain grade of 2.0%. The mountain road is 5.0 km long. What is the increase in the temperature of the brakes
consider a distant fixed star located directly above the orbit of the earth aroundnbspthe sun.a use the lorentz
A car moving with constant acceleration covered the distance between two points 55.2 m apart in 5.37 s. Its speed as it passes the second point was 14.2 m/s. What was the speed at the first point
A 2.3A current is flowing in a 25H inductor. A switch is opened, interrupting the current in 1.0ms. Find the induced emf in the inductor
An astronaut at rest on Earth has a heartbeat rate of 75 beats/min. When the astronaut is traveling in a spaceship at 0.89c, what will this rate be as measured by the following: an observer also in the ship, an observer at rest on Earth
You are lowering two boxes, one on the top of the other, down the ramp by pulling on a rope parallel to the surface of the ramp.
A simple series circuit consists of a 120 ohm resistor, a 23.0V battery, a switch, and a 1.80 pF parallel-plate capacitor (initially uncharged) with plates 5.0 mm apart. find the maximum electric flux through the capacitor
The front 1.20 meter of a 1300 kilogram car is designed as a "crumple zone" that collapses to absorb the shock of a collision. Find what is the magnitude of the average force on the car
A small block of mass 0.97 kg slides without friction on a horizontal table. Initially it moves in a circle of radius R0 = 0.52 m with a speed 1.3 m/s. What is the final speed of the block
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