A bar on a hinge starts from rest and rotates with an angular acceleration α = 15+4t, where α is in rad/s2 and t is in seconds. Determine the angle in degrees through which the bar turns in the first 2.00 min.

Earths magnetic poles do not stay in the same place. Write a possible explanation for why earths magnetic poles move.

Where is the frequency of infrasound in relation to the range of a human's ability to hear? A) It can be in any range. B) It is in the human range. C) It is above the human range. D) It is below the human range.

When a wire with a current is placed in a magnetic field,

On the surface of jupiter the acceleration due to gravity is about 3 times that on earth. how much would a 100kg rock weigh on jupiter?

A bullet travels at 870 m/s. How long will it take a bullets to go 1 m?

Large vehicles need more room to make turns. when you approach an intersection and see a truck ahead signaling a right turn, you should stay next to the truck, close to the curbside, until the turn is completed.

What is the main topic of dynamics that is not addressed in kinematics

Why are lights in house wired in house wired in a parallel or nothing series

A ball is kicked horizontally at 10.0 m/s from a cliff 100m high. How far from the base of the cliff will the stone strike the ground? a 1,000 b 60 c 10 d 3010.2 e 45

Which statements about velocity are true? check all that apply. a. for velocity, you must have a number, a unit, and a direction. b. the si units for velocity are miles per hour. c. the symbol for velocity is. d.