A 100 kg vehicle moving at 20 m/s stops when the brakes are applied. What deceleration and braking force is required to stop it:

Part A) 5 seconds

Part B) 20 seconds

What is meant by the term "polarity"?

A small boat is crossing a lake on a windy day. During some interval of time, the boat undergoes the given displacement Δ → r. Δ → r = (3.29 m) ^ ı + (2.

A liquid is cooled if a. evaporation exceeds condensation. b. condensation exceeds evaporation. c. evaporation and condensation proceed at equal rates. d. condensation occurs at twice the rate of evaporation

What is dimension of volume flow rate.?

The law of universal gravitation (gravity) describes two factors that affect the force of gravity between objects. What two factors affect gravity AND how?

Gerry is looking at salt under a powerful microscope and notice a crystalline structure. what can be known about the salt sample that Gerry is looking at

The kinetic energy of a moving object is equal to the work required to bring it to its speed from rest, or the work the object can do while being brought to rest.

Imagine standing on a bathroom scale and reading your weight. now lift one foot and read your weight again. does the scale read more, less or the same weight when you are standing on one foot?

The period T of a simple pendulum depends on the length L of the pendulum and the acceleration of gravity g (dimensions L/T^2). (a) Find a simple combination of L and g that has the dimensions of time.

What is an example of the theory that the best adapted organisms for an environment are the ones most likely to survive