The subject was placed in a strange room and appeared highly anxious, often fidgeting and glancing out the window every few seconds. What type of data is represented?

A. qualitative

B. quantitative

C. experimental

D. naturalistic

Which factors can affect the amount of friction acting on an object on a solid surface

A child is sending pulses down a stretched rope at a rate of 2 pulses per second. The distance between the pulses is 5 meters. What is the speed of the wave? a. 5 m/s c. 2 Hz b. 10 m/s d. 2.5 m/s User: Longitudinal seismic waves are known as a.

Why is ammeter connected in series in an electric circuit?

The gravitational potential energy of a contracting interstellar cloud a. stays the same at all times. b. gradually transforms into other forms of energy. c. gradually grows larger. d. could grow larger or smaller, depending the cloud's rotation.

A box can slide with negligible friction on a horizontal table top. a string of negligible mass runs horizontally over a dowel with negligible friction, and then connects to an identical box which is falling vertically.

When an objects total mechanical energy is conserved and it is dropped from rest how does the objects initial potential energy compare with its final kinetic energy?

Theme of Throne of Glass?

How much kinetic energy does a car have if it is traveling with a velocity of 50 m/s and has a mass of 1440 kg.

What can student do to increase the force of attraction of magnet on the iron (metal) block?

A quarterback throws a football with angle of elevation 40degrees and speed 60ft/s. Find the horizontal and vertical components of the velocity vector