A bicycle has a kinetic energy of 124 J. What kinetic energy would the bicycle have if it had …
… twice the mass and was moving at the same speed?
What is 248 Joules?
100
Explain where the energy leaves the system if a hamster running on a wheel lights a bulb.
What is energy will leave the system in the form of light, heat, and electromagnetic energy?
100
Name the formula for work.
What is force x distance?
100
Name the formula for power.
What is work/time?
100
Plants convert ________ energy to ________ energy.
What is light and chemical?
200
A student with a mass of 80kg runs up 3 flights of stairs in 12sec. The student has gone a vertical distance of 8m. Determine the amount of work done by the student to elevate his body to this height. Assume that his speed is constant.
What is 2676 Joules?
200
Bungee Jumpers jump off of high places with a stretchy cord tied around their feet. As the jumper falls, what kind of energy does the bungee jumper have?
What is Kinetic Energy?
200
Two physics students, Will N. Andable and Ben Pumpiniron, are in the weightlifting room. Will lifts the 100 lb barbell over his head 10 times in one minute; Ben lifts the 100 lb barbell over his head 10 times in 10 seconds. Who has the most power and does the most work?
Who is Ben and Will do the same amount of work and Ben has the most power since he does the same work in less time.
200
A tired squirrel (mass of approximately 1kg) does push-ups by applying a force to elevate its center-of-mass by 5 cm in order to do a mere 0.50 Joule of work. If the tired squirrel does all this work in 2 seconds, then determine its power.
What is 0.25 Watts?
200
When a match is lit _________ energy converts to _______ and _________ energy.
What is potential, chemical, and thermal?
300
Determine the kinetic energy (work) of a 625kg rollercoaster car that is moving with a speed of 18.3m/s.
What is 1.05x10^5 Joules?
300
A hamster running on a wheel generates enough electricity to light a light bulb. Name the energy flow.
The hamster's ____________ energy gets changed into ________ energy and flows through the ________.
electrical, kinetic, circuit, mechanical
What is kinetic, electrical, circuit?
300
Lamar Gant, U.S. powerlifting star, became the first man to deadlift five times his own body weight in 1985. Deadlifting involves raising a loaded barbell from the floor to a position above the head with outstretched arms. Determine the work done by Lamar in deadlifting 300 kg to a height of 0.90 m above the ground.
What is 2.6x10^3 Joules?
300
During the Powerhouse lab, Jerome runs up the stairs, elevating his 102 kg body a vertical distance of 2.29 meters in a time of 1.32 seconds at a constant speed.
Determine the power generated by Jerome.
What is 1.73x10^3 Watts?
300
In the sun, _________ energy is converted to __________ and ____________ energy.
What is electromagnetic, light, and thermal?
400
Renatta Gass is out with her friends. Misfortune occurs and Renatta and her friends find themselves getting a workout. They apply a cumulative force of 1080 N to push the car 218 m to the nearest fuel station. Determine the work done on the car.
What is 2.35x10^5 Joules?
400
The energy a bungee jumper has before jumping.
What is Gravitational Potential Energy?
400
A new conveyor system at the local packaging plan will utilize a motor-powered mechanical arm to exert an average force of 890 N to push large crates a distance of 12 meters in 22 seconds. Determine the power output required of such a motor.
What is 490 W (rounded from 485 W)?
400
A flashlight converts ___________ energy to ___________ energy.
What is electrical and light?
500
Which angle would require the most work?
A. 35 degree, force of 1.12x10^4N, distance 105m
B. 45 degree, force of 1.39x10^4N, distance 84.9m
C. 55 degree, force of 1.61x10^4N, distance 73.2m
What is 1.18x10^6 Joules each?
500
The energy the bungee jumper has at his lowest point before he starts moving back up.
What is Potential Energy?
500
During the Powerhouse lab, Jerome runs up the stairs, elevating his 102 kg body a vertical distance of 2.29 meters in a time of 1.32 seconds at a constant speed.
Determine the work done by Jerome in climbing the stair case.
What is 2.3x10^3 Joules?
500
Name the movie: "You remind me of the babe. What babe? The babe with the power."
What is the Labyrinth?
500
A microwave converts __________ energy to _______ energy.