A woman of mass 50 kg runs up a flight of stairs.If each step is 20 cm high and her power is 180 W,how many stairs can she climb in 30 seconds?
A) 60
B) 55
C) 42
D) 38
Correct Answer:
Verified
Q28: A variable force of the form F=3x2
Q29: An ideal spring requires 50 J to
Q30: The Concorde was the fastest passenger airliner
Q31: When a 2 kg object is at
Q32: A 65-kg skydiver moving at terminal speed
Q34: What is the force that a baseball
Q35: The force acting on a 30.0 kg
Q36: A spring,with k = 2500N/m,is fixed vertically
Q37: How much work is done on
Q38: A man of mass 60 kg runs
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents