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A car is traveling with a constant velocity when the driver suddenly applies the brakes, giving the car a deceleration of 3.50 m/s2. If the car comes to a stop in a distance of 30.0 m, what was the magnitude of the car's original velocity?
The tractor beam exerts a constant force of 4.0 104 N on the shuttlecraft. Both spacecraft are initially at rest. Explain how far does the starship move as it pulls the shuttlecraft aboard?
A 0.570 kg ball is dropped from rest at a point 1.50 m above the floor. The ball rebounds straight upward to a height of 0.800 m. Illustrate what are the magnitude and direction of the impulse of the net force applied to the ball during the collis..
A Ferris wheel with a radius of 7.7 m rotates at a constant rate, completing one revolution every 37 s, Find the direction and magnitude of a passenger's acceleration when at the bottom of the Ferris wheel
A research submarine has a 10-cm-diameter window that is 8.9cm thick, What is the submarine's maximum safe depth in salt water
A subway train is traveling at 83 km/h when it approaches a slower train 46m ahead traveling in the similar direction at 23 km/h.If the faster train begins decelerating at 2.1 meter per second square while the slower train continues at constant s..
A girl rides the escalator that moves foward at a constant speed. As the girl raises, how do her gravitational energy and kinetic energy change.
A bullet leaves a standard 45-caliber pistol (5.0-in. barrel) at a speed of 262 m/s. If it takes 1 ms to traverse the barrel, determine the average acceleration experienced by the 16.2-g bullet within the gun and after that compute average force e..
What is order of the layers from top to bottom
In which collision is the impulse on the cart greater. The magnitude of the charge on an electron is 1.6e-19 C
A 676kW power station delivers power to a factory, How much less power is wasted in the transmission wires if the electricity is delivered from the power station at 54200V rather than 13700V
A 0.390 kg iron horseshoe that is initially at 745 °C is dropped into a bucket containing 24 kg of water at 46 °C. What is the final equilibrium temperature? Overlook any heat transfer to or from the surroundings.
A heavy sled is being pulled by two people as shown in the figure. The coefficient of static friction between the sled and the ground is ?s = 0.571, what is the sled\'s acceleration
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