If a 25 kg child climbs two steps of 20 cm each, the work performed is:...

Question

Question

If a 25 kg child climbs two steps of 20 cm each, the work performed is:

Select one: a. 100 Nm b. 10,000 Nm c. need more information to calculate d. 1000 Nm e. 10 Nm

Answer 1

Answer #1

Answer 2

Similar Homework Help Questions

A 93 kg student climbs 4 steps of 20 cm each. What is the work performed...

A 93 kg student climbs 4 steps of 20 cm each. What is the work performed to climb the steps?
؟ A car (1000 kg) climbs up a hill sloped at 28° while traveling at constant...

؟ A car (1000 kg) climbs up a hill sloped at 28° while traveling at constant speed of 80 km/hr, what is the power (kW) required for the uphill motion? Select one: a. power 108.7 kW. b. power 89.6 kW. c. power 119.7 kW. d. power 102.3 kW. e. power 95.9 kW. Question 10
A car (1000 kg) climbs up a hill sloped at 28° while traveling at constant speed...

A car (1000 kg) climbs up a hill sloped at 28° while traveling at constant speed of 75 km/hr, what is the power (kW) required for the uphill motion? Select one: O a. power 95.9 kW. O b. power 119.7 kW. c. power 89.6 kW. d. power 108.7 kW. e power 102.3 kW.

How much work would a child do while pulling a 12-kg wagon a distance of 43...

How much work would a child do while pulling a 12-kg wagon a distance of 43 m with a 22 N force? Question 7 Not yet answered Marked out of 1.00 Flag question Select one: A. 95) B.52) C109) O 0.67) Question 8 Not yet answered Marked out of 1.00 P Flag question A board that is 20.0 cm wide, 5.00 cm thick, and 3.00 m long has a density 300 kg/m3. The board is floating partially submerged in water...
thermal and heat question A car (1000 kg) climbs up a hill sloped at 28° while...

thermal and heat question A car (1000 kg) climbs up a hill sloped at 28° while traveling at constant speed of 80 km/hr, what is the power (kW) required for the uphill motion? Select one: O a. power 102.3 kW. O b. power 95.9 kW. O c. power 108.7 kW. O d. power 89.6 kW. O e. power 119.7 kW.
3. An 8 m long uniform seesaw of 20 kg mass is supported at P by...

3. An 8 m long uniform seesaw of 20 kg mass is supported at P by a 50 kg mother at one end, 80 kg father at the other end, and a child of mass m one meter away from the support, as shown below. cg 50 kg 80 kg /n support If the system is in equilibrium the mass of the child would be a) 10 kg b) 15 kg c) 20 kg d) 25 kg e) 30 kg

do the two questions *Question 221: Microscope A crude symmetric hand held microscope consists of two...

do the two questions *Question 221: Microscope A crude symmetric hand held microscope consists of two converging lenses each of focal length 5.0 cm fastened in the ends of a tube 40 cm long. What is the overall angular magnification of the microscope? (Use a near point of 25 cm.) Select one: O a.-1 O b.-40 O C. -30 oo *Question 235: Thin Film Interference A thin layer of a transparent material with index of refraction 1.30 is used as...
A 1000-kg car and a 2000-kg are to the same height. Raising the more massive car...

A 1000-kg car and a 2000-kg are to the same height. Raising the more massive car requires A) twice as much work B) more than four times as reach work. C) four times as much work. D) less work. E) as much work. At one instant are object in free fall is moving downward at 50 m/s. One second later its speed is A) 50 m/s. B) 100 m/s C) 55 m/s D) 25 m/s E) 60 m/s Which of...
Given that m meter, cm centimeter, and 1 cm 0.010 m, the prefix cent means Select...

Given that m meter, cm centimeter, and 1 cm 0.010 m, the prefix cent means Select one: a. 1/100 O b. 1/1000 O c none of these are correct O d. 10 1 O e, 10 1000 f

For two objects with masses 100kg and 500 kg to be 20 meters apart, find the...

For two objects with masses 100kg and 500 kg to be 20 meters apart, find the gravity between them. You can find their answers from the textbook (no need to turn in) 2) Turn in homework (Show Work, due to be announced): A 1000-kg car moves as speed from 10 m/s to 30 m/s in 20 seconds. What is the average speed? What is the acceleration? What is the average force acting upon it? If the car turns along a...