A car travels in a straight line for 3.8h at a constant speed of 52km/h what is its acceleration?

If you throw a ball against the ceiling-so the ball moves upward and then rebounds to move downward-at the instant the ball hits the ceiling, the acceleration is If you throw a ball against the ceiling-so the ball moves upward and then rebounds to

Two balls with charges + Q and + 4Q are separated by 3R. Where should you place another charged ball Q0 on the line between the two charges such that the net force on Q0 will be zero?

If a wave's frequency increases, what can be said about its energy? a. it will increase. b. it will decrease. c. it will stay the same.

What is the potential energy of a 2kg potted plant that is on a 2 meter high plant stand?

A negative ion has more question 1 options: a. electrons than neutrons b. electrons than protons c. protons than electrons d. protons than neutrons

A race car travels a circular track at an average rate of 135 mi/hr. The radius of the track is 0.450 miles. What is the centripetal acceleration of the car?

Between a substance and a mixture.

Two massive objects are fixed in position. A third object is placeddirectly between the first two at the position at which the totalgravitational force on the third object due to the two massiveobjects is zero.

Which statement best describes the magnetic properties of a material? Magnetic materials have many spinning, unpaired electrons Paired electrons of magnetic materials can move to other atoms Electrons of magnetic materials are strongly held by

when we examine the structures of the other terrestrial planets in our solar system, we see that their structure is similar to Earth's. Why do you think this is the case?