Whick of the following quantities are vectors?

A. the velocity of a sports car

B. temperature

C. the volume of water in a can

D. the displacement of a tennis player from the backline of the court to the net

E. the height of a building

How caffeine can affect your stress level. How does it affect your cardiorespiratory system?

What is the biggest current disadvantage to using gas hydrates as a form of energy?

The final velocity of car is 20 m/s. The car is accelerating at a rate of 2.5m/s over a 10 seconds period of time. What is the initial velocity of the car?

Friction is a field force - true - false

Compare and contrast spiral and elliptical galaxies

Which of the following best describes the ultraviolet catastrophe of blackbody radiation? A. As energy is added to an object acting as a blackbody radiator, its emissions move to the ultraviolet part of the electromagnetic spectrum. B.

Is an engine-activated booster unit that reduces the effort required to apply the hydraulic brakes

A box is lowered using a rope. If the acceleration of the box, is 2.5 m/s2 (downward) and the tension in the rope is 31 N, what is the mass of the box (in kg) ?

On a very hot summer day, the rooms on the first floor of a house stay cooler than the rooms on the second. Which form of thermal energy flow causes this to occur? A) Conduction B) Convection C) Kinetic D) Radiation

What is a ion in science?