Kinematics
Forces
Energy
Sound
Electric Circuits
Micellaneous
100
What is the acceleration in a projectile question in the x-direction and the y-direction?
What is ax = 0 and ay = 9.8 m/s^2 [down]
100
Due to air resistance, a skydiver will reach a maximum speed called ____________________ and not continue to accelerate.
Terminal Velocity
100
Which type of energy is commonly a by-product of any kind of energy transformation?
Thermal energy
100
A bob on a vertical spring bounces up and down to produce a longitudinal wave in the spring. If the distance in height between the bob's highest and lowest position is 12 cm, what is the amplitude of the generated wave?
6 cm
100
A compact fluorescent light bulb operates with 7.0 W of power. Calculate the energy it needs to provide light for 24 h, in kilowatt-hours.
0.17 kWh
100
What year did Glebe CI open?
1922-1923
200
A cyclist rides a bicycle 4.0 km west, then 3.0 km north. What is the cyclist's displacement?
5.0 km [37° N of W]
200
After a hockey player takes a shot, the puck slows down at a rate of 1.3 m/s^2. The mass of the puck is 175 g. What are the magnitude and direction of the frictional force acting on the puck?
0.23 N [opposite direction of motion]
200
A 15.0-kg load of groceries is lifted up from the ground to the fifth floor of an apartment building. Each floor is 5.00 m high. The potential energy of the groceries with respect to the second floor is...
2210 J
200
Calculate the period and frequency of a pendulum that completes 150 vibrations in 1.5 min.
The period is 0.60 s and the frequency is 1.7 Hz.
200
Calculate the total resistance in a parallel circuit with the following resistance: R1=2Ω, R2=3Ω, R3=6Ω, and R4=18Ω
Rt = 0.947Ω
200
In a website browser address bar, what does “www” stand for?
World Wide Web
300
An arrow is shot from a height of 20.0 m with an initial horizontal velocity of 18.0 m/s. How far in the horizontal direction will the arrow fall to the ground?
The arrow would land 36.3 m from the base of the cliff.
300
A hockey player pushes off the boards with a force of 68 N. The combined mass of the hockey player and her skates is 80.0 kg. What is the acceleration of the player as she pushes off if there is a 30.0 N frictional force from the ice.
0.48 m/s^2
300
A 2100 kg car starts from rest and accelerates at a rate of 2.6 m/s^2 for 4.0 s. Assume that the force acting to accelerate the car is acting in the same direction as its motion. How much work has the car done?
110 kJ
300
A sound wave travels with a speed of 334 m/s through air with a frequency of 172 Hz. How far apart are the wave crests?
1.94 m
300
Solve for Vsource, V1 and I2.
Vsource = 30 V, V1 = 30 V, I2=10 A
300
What planet is not dense so it can float in water?
Saturn
400
A sprinter who is competing in a 100.0-m race accelerates from rest to a top speed of 10.0 m/s over a distance of 15.0 m. The remainder of the race is run at a constant speed. What is the sprinter's time for the entire race?
The sprinter's time for the race is 11.5 s.
400
A bicycle of mass 14.6 kg and a rider of mass 50.0 kg generate a net force of 12 N. How fast are they going after 2.0 seconds?
0.37 m/s
400
A compact fluorescent bulb is 17.0 % efficient. How much energy input would be required for the bulb to produce 252 J of light energy?
1480 J
400
You have an open air column of length 1.2 m in air at 20 °? What is the frequency of the third harmonic?
430 Hz
400
Solve for V1, V2, V3, Isource, I1, I2, I3, Rtotal
V1 = 9 V, I1 = 0.22 A, V2 = 1.8 V, I2 = 0.36 A, V3 = 7.2 V, I3 = 0.36 A, IT = 0.585 A, Req = 15.38 Ω
400
How many bones do sharks have?
None
500
A car is traveling along a highway with a speed of 25 m/s when the driver sees an obstruction 180 m directly ahead. It takes the driver 0.80 seconds to react and begin braking. What is the value of the acceleration of the car if it just misses hitting the obstruction? (Assume the acceleration is uniform.)
The acceleration is –2.0 m/s^2.
500
Two sleds tied together are pulled across an icy surface with an applied force of 150 N [E]. The mass of sled 1 is 18.0 kg and the mass of sled 2 is 12.0 kg. The coefficient of kinetic friction for each sled is 0.20. How much tension is in the rope?
60 N
500
A roller coaster starts at A with a speed of 5 m/s. How fast is it moving at B?
20 m/s
500
A police car moves at a speed of 90.0 km/h and emits a siren of frequency 1000.0 Hz. What is the frequency detected by a stationary observer as the police car approaches? Speed of sound is 340. m/s.
1080 Hz
500
Solve for Vsource, V1, V2, V3, V4, Isource, I1, I2, I3, I4, Itotal.
Vsource = 95 V, V1 = 75 V, V2 = 20 V, V3 = 5V, V4 = 15 V, Isource = 3 A, I1 = 3 A, I2 = 2 A, I3 = 1 A, I4 = 1 A, Rtotal = 31.6
500
What year did the Ottawa Senators make the Stanley Cup Finals?
2006-07