Free Printable PHY 101

1.

A particle has a position function

x\left(t\right)=4t+5t^2\ m

. What is the instantaneous velocity at t= 2 s.

a)

14 m/s

b)

18 m/s

c)

24 m/s

d)

28 m/s

2.

A vector lying in the xy plane has Cartesian components of (positive,negative). The vector must lie in which quadrant?

a)

First Quadrant

b)

Second Quadrant

c)

Third Quadrant

d)

Fourth Quadrant

3.

The units in metric system are categorized by factors of 10

a)

True

b)

False

4.

In the English system, the unit of mass is pounds. What is the unit of length in the SI unit?

a)

Meter

b)

Inch

c)

Mile

d)

Centimeter

5.

Which of the following is the longest?

a)

$10^{4\ }in$

b)

$10^4\ m$

c)

$10^3\ ft$

d)

$0.1\ mi$

6.

A car starts from rest and accelerates uniformly over a time of 3.5 seconds for a distance o 462 m. We want to find the acceleration of the car. Which kinematic equation would be most useful to solve for the unknown target?

a)

$v=v_i+at$

b)

$d=\frac{\left(v_f+v_i\right)}{2}t$

c)

$d=v_it\ +\frac{1}{2}at^2$

d)

$v^2=v_i^2+2ad$

7.

What is the correct unit conversion for

6.3\ ps\ =\ \ \ \ \ \ \ \ \ \ \ s

a)

$6.3\ \times10^{-12}\ s$

b)

$6.3\times10^{12}\ s$

c)

$63\times10^{-12}$

d)

$63\times10^{12}$

8.

The Cartesian coordinates ofa point in the xy plane is (-1,-3). Find the polar coordinates of this point.

a)

$\left(3.16,71.57\degree\right)$

b)

$\left(-2,71.57\degree\right)$

c)

$\left(3.6,\ 251\degree\right)$

d)

$\left(2,\ 251.57\degree\right)$

9.

Zion runs 50 meters in 4.6 seconds. What is his speed?

a)

0.1 m/s

b)

8.3 m/s

c)

10.87 m/s

d)

230 m/s

10.

What is the correct scientific notation for 230 000 000 000 kg?

a)

$230\times10^9$

b)

$23\times10^{-10}$

c)

$2.3\times10^{12}$

d)

$2.3\times10^{11}$

11.

What is the instantaneous velocity of a car travelling with acceleration of

a\left(t\right)=9t^2+4t

when time is 2 s?

a)

10 m/s

b)

26 m/s

c)

32 m/s

d)

40 m/s

12.

In a coordinate system, a vector oriented at an angle with respect to the x-axis. The y-component of the vector equals the vector's magnitude multiplied by which trigonometric function?

a)

Tan angle

b)

Sin angle

c)

Cot angle

d)

Cos angle

13.

How will you express 0.028 m in scientific notation?

a)

0.28\times10^2\ m

b)

$0.28\times10^{-2}\ m$

c)

$2.8\times10^2\ m$

d)

$2.8\times10^{-2\ m}$

14.

The conversion between an amount in one unit to the corresponding amount in a desired unit using various conversion factor is known as dimensional analysis.

a)

True

b)

False

15.

A bullet is shot vertically into the air with a velocity of 150 m/s. How long is the bullet in the air?

(a)

16.

Unit Conversion:

3.4\ Ts\ =\ \ \ \ \ \ \ \ \ \ \ \ \ \ Ms

a)

$3.4\times10^2\ Ms$

b)

$3.4\times10^4\ Ms$

c)

$3.4\times10^6\ Ms$

d)

$3.4\times10^8\ Ms$

17.

Unit Conversion:

8\ g=\ \ \ \ \ \ \ \ \ \ ng

a)

$8\times10^9\ ng$

b)

$8\times10^{-9\ }ng$

c)

$8\times10^6\ ng$

d)

$8\times10^{-6}\ ng$

18.

A moving particle has acceleration function of

4t^3+9t^2+2\ \frac{m}{s^2}

. Find its velocity at a given time of 5 s.

(a)

19.

Given the polar coordinates of

$\left(5,18\degree\right)$ . Find the Cartesian coordinates of the motion done.

a)

(4.75, 1.55)

b)

(1.55,4.76)

c)

(4.76,1.55)

d)

(1.54,4.75)

20.

A watermelon is thrown down from a skyscraper with a velocity of 6 m/s. It lands with an impact velocity of 20 m/s. What is the displacement travelled by the ball?

a)

-15.83 m

b)

-18.57 m

c)

36.13 m

d)

23.85 m

PHY 101

Total questions: 20

Worksheet time: 23mins

Similar Resources on Wayground