
posted by Jim
Respond to this Question
Similar Questions

Physical Science
Is this correct? Gabriella weighs 450 N. She climbs a flight of stairs to a height of 3 m. It takes her 5 seconds. How much work does Gabriella do when she climbs the stairs? Ans 1,350 J. What I did was 450*3 Can someone check 
Math Olympiad
Lara starts at the bottom of a long staircase. She climbs exactly 2/3 of the stairs. Then, she goes back down exactly 1/2 of the way to the bottom. From that spot, she climbs exactly 2/3 of the way to the top. Finally from there, 
Math
larry starts at the bottom of a long staircase. he climbs exactly 2/3 of the stairs. then he goes back down exactly 1/2 of the way to the bottom. from that spot he climbs exactly 2/3 of the way to the top. finally from there he 
Physics
A 77 kg man climbs the stairs to the fifth floor of a building, a total height of 15.2 m. What is his potential energy in Joules when he reaches the fifth floor? Round your answer to 1 decimal place. 
physical Science
Two people who weigh the same climb a flight of stairs. The first person climbs the stairs in 30 s, while the second person climbs them in 40s. Which person does more work? Which uses more power? 
physics
A woman with a mass of 65kg climbs a set of stairs that are 3m high. How much gravitational potential energy does she gain? Thank you. 
Physics
Two People who weigh the same climb a flight of stairs. The 1st person climbs the stairs in 30s, and the 2nd person climbs them in 40s. Which person does more work? which uses more power.  I would personaly think the 2nd person 
Physics
Two People who weigh the same climb a flight of stairs. The 1st person climbs the stairs in 30s, and the 2nd person climbs them in 40s. Which person does more work? which uses more power.  I would personaly think the 2nd person 
Chemistry 22
which illustrates in an increase in potential energy? a. a firecracker explodes b. a person climbs a set of stairs c. a windup toy winding down d. an apple dropping from a tree 
Physical Science
Two people who weigh the same climb a flight of stairs. The first person climbs thestairs in 30s, while the second person climbs them in 40s. Which does more work? Which uses more power?