Q2.

Quantities in physics are either scalars or vectors.

(a)

Use the correct answers from the box to complete the sentence.

acceleration

direction

distance

speed

time

Velocity is

_in a given

What type of crime is committed when a hacker steals someones's bank accounts information

Newton's Second Law of Motion is represented by the equation, F=ma, which shows the relationship of force, mass, and acceleration.

A 1,000 of c-14 is left to decay radioactively. The half life of Carbon-14 is approximately 5,700 years. What fraction of the sample will remain after 17,100 years

What is heat a measure of? A) kinetic energy B) potential energy C) thermal energy

Given a force of 10N and an acceleration of 5m/s2. What is the mass?

Why did the chicken cross the road.

A 98.1 kg horizontal circular platform rotates freely with no friction about its center at an initial angular velocity of 1.69 rad/s. A monkey drops a 9.29 kg bunch of bananas vertically onto the platform.

7. A type of non-renewable energy would be: O wind O petroleum O water solar

A refrigerator is a system. The energy input into the refrigerator system (in the form of electricity) is the same as the amount of energy output from the system. Which of the following best describes the energy output of the system?

A 1,120 kg car is travelling with a speed of 40 m/s. Find its energy.