A 65 kg students runs up a flight of stairs (14 stairs with each stair 22 cm tall) in 2.2 s. What minimum power is expended to reach the top of the flight?
A 65 kg students runs up a flight of stairs (14 stairs with each stair 22...
a 60 kg marathon runner runs up the stairs to the top of Chicago’s 443m tall Willis Tower. to lift the top in 15 minutes, what must be her average power output? how many such girls can match the power of an average horse?
As part of her morning jog, a 65-kg woman runs up a flight of steps with a vertical height of 10 meters. She accomplishes this task in 15.0 seconds. a) What is the weight of the woman? b) How much work did the woman use to climb the stairs? c) What is her increase in potential energy? d) How much power did she use to climb the stairs? e) How much horsepower did she use?
In a physics lab, a 80-kg student runs up a 2.5-meter tall flight of stairs in 2.0 seconds. The student's power rating is approximately W. a. 16 b. 64 c. 100 d. 160 e. 400 . 640 g. 1000 h. 4000 Thre roll t View Objectives Quit Mission Save Mission Selec а. С 8u 7 4 5 6 8 2 3
26. It takes your 74 kg partner takes 5.9s to run up the stairs of the staircase a If each stair is 12.4 cm tall, and there are 42 stairs to climb, how much work did they do? b. How much was their average power
9. A 51-kg woman runs up a flight of stairs in 5.0 s. Her net upward displacement is 5.0 m. Approximately, what average power did the woman exert while she was running? B) 1.0 kW C) 0.75 kW D) 0.50 k W E) 0.25 kW 군 S.0 99.He lu
a boy weighing 350N runs up a flight of stairs consisting of 20 steps each 10cm high in 10 seconds. What is his power? show your workings
A person of mass 70kg runs up a flight of stairs with a vertical height of 5m. If the trip takes 7 seconds to complete, calculate the person's power.
A 60kg women runs up a flight of stairs having a rise of 4.0m in a time of 4.2s. What average power did she supply?
A person lives on the third floor of a building and he runs up the stairs three times a day. Each floor has 24 steps and height of each step is 15 cm. a) If the person weight is 65 kg calculate how much energy he uses each day. b) If he runs from first floor to the third floor in 20 seconds, calculate the person power output
12 A 60.0-kg woman who runs up a 3.00 m high flight of stairs in 3.50 s, starting from rest but having a final speed of 2.00 m/s? What is the final potential energy. A) 126 J B) 110W C) 153 J D) 120 J E) 140 J 13 A 100 g ball move upward with a velocity of 10 m/s from ground level in a free fall movement. What is the kinetic energy for the ball at ground level?