The kind of friction that exists between oil and a door hinge

A caterpillar climbs up a one-meter wall. For every 2 cm it climbs up, it slides down 1 cm. It takes 10 minutes for the caterpillar to climb to the top. Calculate the speed at which the caterpillar travels in cm/s.

Select the correct answer. In a water park, people walk up a ramp before diving into the water below. If they cover a horizontal distance of 100 meters before diving down 50 meters, what is the angle made by the ramp with the ground? 30.0° 60.3° 26.

88 kg fullback moving east with a speed of 5.0 m/s is tackled by a 97 kg opponent running west at 3.0 m/s, and the collision is perfectly inelastic. What is the speed of the players just after the tackle? A) 149 m/s B) 23.1 m/s C) 7.31 m/s D) 0.

How do the circulatory system and the respiratory system work together?

Which of the following is an example of heat being transferred by radiation? Choose all that apply, Fire, Sun, Candle Flame, Stove?

What is a difference between an isotope and a ion

2. An airplane travels 335 miles in 45 minutes. How fast does it travel? How fast is that in km/hr?

A falling skydiver opens his parachute. A short time later, the weight of the skydiver-parachute system and the drag force exerted on the system are equal in magnitude.

Consider the expression below. Assume m is an integer. 6m (2m + 18) Enter an expression in the box that uses the variable m and makes the equation true. (Simplify your answer completely. If no expression exists, enter DNE.)

What could be put into the center section of this Venn diagram?