The banner over the finish line of a running race is 400. centimeters long and 85 centimeters high. what is the area?

What force does a trampoline have to apply to a 45.0-kg gymnast to accelerate her straight up at 7.50 m/s^2? (a) 104N (b) 338 N (c) 441 N (d) 779 N

What is the scientific rule that states that energy cannot be created or destroyed?

A particle initially at rest moves along in a line so that its acceleration is a (t) = 10 / (t+1) for t>=0. What is the velocity of the particle at time t=4?

A typical nuclear power plant converts 0.01% of the mass of its fuel into energy through nuclear reactions. how much fuel would be needed to power an average city for one day?

Why is a wedge one of the least efficient simple machines

Two sailboats leave a harbor in the bahamas at the same time. the first sails at 23 mph in a direction 330°. the second sails at 34 mph in a direction 190°.

What conclusion can be drawn from the statement that an element has high electron affinity, high electronegativity, and a high ionization energy? A) The element is most likely from Group 1A or 2A and in period 1 or 2.

When a cyclist rides past you on the street, this is an example of

Why are galaxies visible

I hockey puck slides across an ice rink more easily than it does across a rough concrete surface why is this