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Q. If the car starts at height h= 3.00 R and the radius is R_1 = 24.0 m, compute the radial acceleration of the passengers when the car is at point C, which is at the end of a horizontal diameter.
Q. A uniform electric field witha magnitude of 250 N/C is directed in the positive xdirection. A 12 uC charge moves from the origin to the point(20.0 cm, 50.0 cm). what is the change in the electricalpotential energy of the system as a result of the change inposition of this charge?
The electron gun in a TV picture tube accelerates electrons between two parallel plates 1.5cm apart with a 27 kV potential difference between them.
A spaceship moves past you at speed v. You calculate the ship to be 364 m long, whereas an astronaut on the ship measures a length of 420 m. Find v.
When a charge that is free to move is released in the presence of an electric field, does it move from a region of high electric potential to a region of low electric potential or vice-versa? Does your reply depend on whether the charge is positiv..
As part of a safety investigation, two 1800 cars travelling at 18 are crashed into different barriers. Find an average forces exerted on (a) car that hits a line of water barrels and takes 1.80 to stop, and (b) car that hits a concrete barrier and ta..
A ball is thrown directly downward with an initial speed of 8.50 m/s, from the height of 29.5 m. After what time interval does it strike the ground.
A ship sets out to sail to a point 148 km due north. An unexpected storm blows the ship to a point 148 km due east of its starting point. (a) How far (in km) and (b) in what direction (as an angle from due east, where north of east is a positive angl..
A cyclist is using cranks with a length of 17cm and a front sprocket of radius 10cm. while standing up she places her body weight onto the forward pedal. the crank is initially horizontal and the force in the pedal is equal to body weight. cyclist..
A 56.0 kg ice skater spins about a vertical axis by her body with her arms horizontally outstretched, making 1.50 turns each second. The distance from one hand to the other is 1.5 m . Biometric measurements indicate that each hand typically makes ..
Calculate the power required by an object to lift another object
A metal container, which has a mass of 9.4kg contains 18kg of water. A 1.8 kg piece of the same metal, initially at a temperature of 200°C, is dropped into the water. The container and the water initially have a temperature of 14.1°C and the final..
What inductance must be connected to a 25 pF capacitor in the oscillator capable of generating 480 nm (i.e., visible) electromagnetic waves.
1.76- block at rest on a ramp of height. While the block is released, it slides without friction to the bottom of the ramp, and then continues across a surface that is frictionless except for a rough patch of width 12.0 that has a coefficient of kine..
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