Esulfur burns easily. Iron is attracted by magnets. the mineral made by sulfur and iron, but it does not burn and it is not attracted by magnets. is it a mixture? why? and why not?

Troy pushes on a car for 10 seconds, during which he applies an impulse of 300 kg•m/s. what force does he apply to the car?

A steel ball whose mass is 2.0 kg is rolling at a rate of 2.8 m/s. What is it's momentum?

Which term refers to the loss of fertile soil from drying out? erosion desertification depletion overuse

What are two ways that machines make work easier?

Consider an airplane with a wing area of 240 ft2, a span of 44 ft, an Oswald efficiency of 0.75, and a zero-lift drag coefficient of 240 counts (i. e., CD0=0.024). Presume that the airplane is operating at 8,000 ft altitude at a weight of 7,600 lbs.

perature is 0◦F. How much taller is the building when the temperature is 107◦F? The linear expansion coefficient of steel is 1.1 * 10-5 (◦C) - 1.

A weightlifter lifted 800 Newtons to a height of 2.5 meters. What is the power output if this was done in 1.22 seconds?

What conditions must be present for a translational and rotational equilibrium of a rigid body?

In objects motion will not change is the force is acting on the object are blank

How fast or slow an object is moving and in what direction