Which would be the most reliable source of information to use for a history report

The tension (T) in a string fixed across a 2 m length (L) is 100 N, and the fundamental frequency is measured to be 100 Hz. What is the linear mass density of the string?

A pump is partially submerged in oil and is supported by 4 springs. The oil has a specific gravity of 0.90, the weight of the pump is 14.6 lb, and the submerged volume is 40 in3.

Power is work divided by force

Jack (mass 55.0 kg) is sliding due east with speed 8.00 m>s on the surface of a frozen pond. he collides with jill (mass 48.0 kg), who is initially at rest. after the collision, jack is traveling at 5.00 m>s in a direction 34.0° north of east.

Some students fire a rocket of mass 0.150kg into the air. If at the top of it's flight it has a gravitational potential energy of 150J, What height did it reach?

Ways that charges can be transferred

A cricketer can throw a ball to a maximum horizontal distance of 100m. How much high above the ground can he throw same ball

What is the relationship between the slope of the position graph of an object and its velocity?

Differeniate between thermal energy and heat

The term that describes the time when the sun's are directly over the equator is: