In considering proportions, acceleration is _______.

The preload is approximately the same as the ________.

To create realistic movement, the 3-d world must refresh at least _______________ times per second.

If the mass of a vehicle is 1800 kg, then what is the work required to be done for increasing the velocity of the vehicle from 60 km/h to 120 km/h?

A snowball with a weight of 1.50 kg is shot upward at a 30° angle to the horizontal. If the initial speed is 30 m/s. then what is the change in the gravitational potential energy of the snowball—Earth system. as the snowball moves from the launch point to the point of maximum height? What will be that maximum height?

Three identical balls wit h charges 12 x10‘12 C, 8 x1012 C, and -5 x10'12 C, respectively are brought in contact with each other and then separated. What is the correct number of electrons in excess or def‌icit on each ball after the contact?