Which laboratory equipment is used to enlarge an image?
a. Graduated Cylinder
b. Magnifying Glass
c. Compound Light Microscope
d. Safety Goggles
c. Compound Light Microscope
6.7503 has how many significant figures?
A. 4
B. 5
C. 3
D. 2
B. 5
_________ is defined as speed with a given direction
A. Velocity
All of the following are examples of a scalar quantity except____
B. Velocity
What is Newton’s first law of motion?
D. An object at rest will start moving and an object in motion
C. An object at rest will stay at rest, an object in motion will stay in motion unless acted upon by a balanced force.
Which of the following should NOT be done to ensure lab safety?
A. Eat, Drink, and chew gum in the lab.
B. Horseplay
C. Place laboratory equipment in your mouth.
D. All of these should not be done
D. All of these should not be done
0.00000580356 has how many significant figures?
A. 6
B. 5
C. 2
D. 3
A. 6
Which of the following quantities are vectors?
D. Displacement, velocity, and acceleration
All of the following are examples of a vector quantity except_____
E. Time
What is Newton’s second law of motion?
A. Acceleration depends on the object's mass and on the net force acting on the object.
Which Laboratory equipment is used for weighing substances?
A. Thermometer
B. Mortar and Pestle
C. Pipet
D. Triple Beam Balance
D. Triple Beam Balance
The electron has a mass of approximately kilograms. How many significant figures does this mass have?
A. 12
B. 31
C. 9
D. 4
D.4
A person walks 45 meters north. Then he continues for another 10 meters and finally South for 10 meters. What is the person’s displacement?
A. 45 m
Ignoring air resistance, the horizontal component of a projectile’s velocity
A. Remains Constant
What is Newton’s third law of motion?
A. If an object exerts a force on a second object the second object exerts and equal force in the opposite direction.
C. Biological Hazard
The aorta is the major supply of oxygenated blood throughout the human body. The average diameter of the aorta is about 25 mm. What is the diameter of the aorta in meters?
A. 0.025m
A car can accelerate at . How long will it take to speed up from 1m/s to 11m/s?
A. 5 Seconds
What is projectile motion?
D. The motion of an object through the air affected by Gravity.
What is the mass of an object that requires 100 N of force in order to accelerate it at 10m/s^2?
If you see this symbol, what does it signify?
A. Extreme Temperature
B. Sharp Object
C. Chemical Hazard
D. Radioactive Hazard
D. Radio Active
During a severe weather outbreak, storm clouds can reach very high above the atmosphere. These storm clouds might peak at 21,000 meters from the surface. What is the height of the storm in kilometers?
B. 21 km
A car is driven 900 km North in 4 hours. What is its average velocity in km/h?
C. 225 km/h
A ball is thrown at an original speed of 8.0m/s at an angle of 35° above the horizontal. What is the speed of the ball when it returns to the same horizontal level?
B. 8.0m/s
An object with a mass of 1500 grams accelerates 10.0m/s^2 when an unknown force is applied to it. What is the amount of the force?
C. 15 N