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PHY 101 PRACTICE TEST

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PHY 101 Practice Test

Test your understanding of fundamental physics concepts with our PHY 101 Practice Test. This quiz covers a range of topics including momentum, energy, projectile motion, and more!

Engage yourself with:

13 multiple-choice questions
Real-world applications
Instant feedback on your answers

20 Questions5 MinutesCreated by LearningWave456

In an perfectly inelastic collision

Heat is gained

Energy is lost

Energy is gained

Power is lost

With increase in temperature, heat will :

Increase

Decrease

Remain constant

Double up

The amount of heat required to raise temperature of a substance by 1°C is called

Work capacity

Specific heat capacity

Heat capacity

None of the above

Linear momentum is always conserved when the rate of change of momentum is

One

Zero

Equal to the force of the body

Doubled

Projectile motion is an example of motion in how many dimensions

One

Two

Three

Four

Acceleration due to gravity increases with

Latitude

Longitude

Magnitude

Altitude

The scalar product of any two perpendicular vectors is

Zero

One

Half the vector with greater magnitude

Double the vector with greater magnitude

The acceleration due to gravity varies at different locations mainly due to

Radius

Mass

Weight

Rotation

2500N was applied to the brakes of a vehicle of mass 300kg moving at a speed of 30m/s. After how many minutes does the vehicle come to a speed of 5m/s? (g = 10m/s2)

0.05

-3

-0.05

Ball A of mass 250g was kicked with a force 375N in a particular direction. Ball B of mass 300g was kicked in the opposite direction with a force 600N. If balls A and B impacted with velocities 60m/s and 85m/s respectively in a perfectly inelastic collision, which of the following statements will be true?

Ball A will move at a greater velocity than Ball B

Ball B will move at a greater velocity than Ball A

Both Ball A and Ball B will move off at the same velocity

The velocities of Ball A and Ball B will become zero

A 3000kg truck travelling at 10.0m/s collides with a 1700kg car travelling at 25m/s in the opposite direction. If they stick together after the collision, how fast and in what direction will they be moving?

8.1m/s in the direction of the truck’s motion

12.3m/s in the direction of the car’s motion

8.1m/s in the direction of the car’s motion

12.3m/s in the direction of the truck’s motion

A car initially at rest accelerates in a straight line at 3 m/s². What will be its speed after 2 seconds?

0 m/s

5 m/s

3 m/s

6 m/s

In the absence of air resistance, the magnitude of the vertical component of a projectile's acceleration

Is constant until the projectile hits the ground.

Always decreases with time until the projectile hits the ground

Always increases with time until the projectile hits the ground.

. Is equal to the magnitude of the horizontal component of the projectile's acceleration.

An airplane flying east at an airspeed of 200 km/h has a headwind blowing from the east at 50 km/h. How far will the plane fly relative to the ground in two hours?

500.00km

600.00km

300.00km

206.16km

______ are examples of vector quantities

Acceleration and time

Velocity and acceleration

Volume and velocity

Time and mass

Momentum is the product of mass and velocity

True

False

A. A body with zero velocity cannot have any potential energy.

True

False

. A swinging pendulum has maximum potential energy at the bottom (middle) of its arc.

True

False

Angular momentum is the product of acceleration and time

True

False

The unit of density is Nm^-4s²

True

False

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