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An electric vehicle starts from rest and accelerates at a rate a1 in a straight line until it reaches a speed of v. The vehicle then slows at a constant rate a2 until it stops.
(a) How much time elapses from start to stop?
(b) How far does the vehicle move from start to stop? Give your answers in terms of the given variables.
A speeder is pulling directly away and increasing his distance from a police car that is moving at 25 m/s with respect to the ground. Find the speeder's speed with respect to the ground
A square loop with 80 tight turns and sides 15 cm is made with cooper wire a diameter 1.2 mm. determine the current induced in the loop
The bullet emerges from the block with a speed of 200 m/s, and the block rises to a maximum height of 12 cm. Evaluate the initial speed of the bullet. V = 530 m/s
A 6 cm diameter conducting loop with resistance of 10m\Omega is placed perpindicular to a variable magnetic field B. Determine the current and its direction induced in the loop
Solar cells generate a potential difference when exposed to sunlight. In an experiment, you wish to charge a rechargeable battery by connecting it in series to an array of solar cells. What is the area of the array of solar cells
The block starts at the top of the wedge at 1.2 m. Find out the final speeds of a block and the wedge once the blook has slid to the bottom.
Light is emitted by a sodium sample that is moving toward Earth with speed v. The wavelength of the light is 589 nm in the rest frame of sample. The wavelength measured in the frame of Earth is 537 nm. Find v.
A piston, A, has a diameter of 0.74cm. A second piston, B, has a diameter of 2.6 cm. In the absence of friction, determine the force, F, essential to support the 539.7 N weights. Answer in units of N.
Suppose that an ion source in a mass spectrometer produces doubly ionized gold ions (Au2+), Determine the radius of the path
A flywheel in a motor is spinning at 580 {rm rpm} when a power failure suddenly occurs. The flywheel has mass 40 {rm kg} and diameter 75 {rm cm}.
An ultralight plane and pilot have a total mass of 156 kg. what is the net force acting on the plane and pilot
You are practicing throwing darts in your dorm. You stand 3.33 m from the wall on which the board hangs. Calculate the time of flight of the dart
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