Other Physics Answers

A race car accelerates uniformly from

18.5 m/s to 23.6m/s in 21seconds.

Determine the acceleration of the car

and the distance traveled.

Determine the refracted index of a certain piece of glass if the speed of light in it is 1.90x10^8 m/s

A force acts on a 2-kg mass and gives it an acceleration of 3 m/. What acceleration is produced by the same force when acting on a mass of (a) 1 kg? (b) 4 kg? (c) How large is the force?

If a voltage is induced it will create a current. What is the use of this current that was produced? Begin to _______

A. recharge the inductor

B. discharge the inductor

C. recharge the capacitor

D. discharge the capacitor

determine the magnitude of a magnetic force produced on a straight wire 60.0 cm long when a 10.5 A current flow on it while being exposed on a 27.5 T magnetic field acting 90.0^(0) on the wire.

An aeroplane of mass 1.12 ×10^5 kg is accelerating constantly from rest along a runaway. Calculate the weight of the aeroplane. Name one of the two forces acting on the aeroplane apart from weight. The aeroplane starts from rest and after 50 seconds the aeroplane reaches a speed of 70m/s. Calculate the horizontal force on the aeroplane

The velocity of a train changes from 0 to 60km/hr in 20 seconds. Assuming that it is

uniformly accelerated, what is the acceleration in m/s2?

A force 0f 100 N is directed north on a -20 µC point charge. What is the magnitude and direction of the electric field at this point?

Benzene has a refractive index of 1.43. Suppose a light ray strikes its

surface at an angle of 40°, what is the directions of the reflected and the

refracted rays?

A string is 7.63 m long with a mass of 8.56 g. The string is held taut with a tension of 457 N applied to the string. A pulse is sent down the string. How long does it take the pulse to travel the 3.00 m of the string?