Two persons are applying forces on two opposite sides of a moving cart. The cart still moves with the same speed in the same direction. What do you infer about the magnitudes and direction of the forces applied?

During a storm, thunder is heared 7s after the lightining is seen. If the temperature of the air at the time of the storm is 28°C. how far away is the storm?

A rake is held so that its input arm is 0.4 meters and its output arm is 1.0 meters. What is the mechanical advantage of the rake?

Reasons for which petroleum is the chosen fuel for transportation in the U. S. include 1) its energy value per unit volume 2) its ability to quickly start or stop providing energy 3) its low amount of pollution produced per joule

A hydraulic machine can be used to lift extremely heavy objects. why is the fluid in the hydraulic machine a liquid rather than a gas?

A car travels 1000m North and 2000m South. The total journey time is 300s. Calculate the distance traveled

Peat is actually the early stage of

Explain how electric current is able to flow.

What is the angle between a rigid object and the force applied to it that yields torque using the equation T=Fd?

What is the difference between speed and velocity and give an example.

Water flows over a section of niagara falls at the rate of 1.2x10^6 and falls 50.0 m. how much power is generated by the falling water