At this rate, how long would it take for two continents 2900 km kilometers apart to collide?

On the moon the acceleration due to gravity is about 1/6 that on earth. If A golfer on the moon impacted the same initial velocity to the ball as she does on the earth, how much further with the ball go?

Suppose s (t) is the position of an object moving along a line at time t is greater than or equal to 0. What is the average velocity between the times t=a and t=b? What is the instantaneous velocity at t=a?

Electricity seems like a fundamental element in the construction of any home. However, to have electricity run into and out of a home, there must be a complete circuit. what is the minimum requirements for any electric circuit

How many atoms of nitrogen are in the chemical formula Ni (NO3) 2? 2 1 6 3

A farmer had 15 sheep, and all but 8 died. How many are left?

What equation expresses the the work-energy theorem?

What is the potential energy for and object with mass of 15 Kg and 20 m above the ground?

What is the z coordinate for the above vector? A vector is r⇀ = 356 m @ θ = 115∘, φ=-30.0∘. 178 m -178 m 120 m 308 m

In a classic carnival ride, patrons stand against the wall in a cylindrically shaped room. once the room gets spinning fast enough, the floor drops from the bottom of the room!

What does Newton's law of universal gravitation say about the distance between objects?