If a train travels 800 mph in 5 hours it's rate of speed

Many machines- including inclined planes such as ramps- increase the strength of the force put into the machine but decrease the distance over which the force is applied. true or false

The precision of a laboratory instrument is ± 0.05 g. the accepted value for your measurement is 7.92 g. which measurements are in the accepted range? check all that apply. 7.85 g 7.89 g 7.91 g 7.97 g 7.99 g

What is the weight of a feather (mass = 0.0001 kg) that floats through earth's and the moon's atmospheres?