Physics Final Spring 2021
Question 11
Il Pause
Q Review / Finish Test
АВС
Q...
Physics, 24.05.2021 18:10, masonorourke
Physics Final Spring 2021
Question 11
Il Pause
Q Review / Finish Test
АВС
Question 11
A weightlifter presses a 200 N weight 0.5 m over his head in 2 s. What is the power of the weightlifter?
А
25 W
9
B
50 W
С
50 N
D
200N
Answers: 2
Other questions on the subject: Physics
Physics, 21.06.2019 21:30, spycn7717
Apendulum has a mass of 1.5 kg and starts at a height of 0.4 m. if it is released from rest, how fast is it going when it reaches the lowest point of its path? acceleration due to gravity is g = 9.8 m/s2. a. 2.8 m/s b. 0 m/s c. 5.9 m/s d. 4.3 m/s
Answers: 1
Physics, 22.06.2019 05:30, ellycleland16
Iwill give 30 points to whoever answers ! what is the formula for actual mechanical advantage and ideal mechanical advantage?
Answers: 1
Physics, 23.06.2019 00:20, evan1v1123
You are the coordinator for a program that is going to take place at night in a rectangular amphitheater in the mountains. you will have no access to any electricity, but you must be able to illuminate the entire grounds. you know the intensity of the light from a lantern varies inversely as the square of the distance from the lantern. suppose the intensity is 90 when the distance is 5 m. a. write an equation to model the situation. b. solve for the constant of variation. c. write the equation to model the situation using the constant () of variation. d. you have been given lanterns with 40 light intensity. use your equation to solve for the distance from the lantern. e. you need to illuminate 225 km. how many meters do you need to light? f. how many lanterns will you need?
Answers: 3
Do you know the correct answer?
Questions in other subjects:
Mathematics, 18.07.2019 04:00
Health, 18.07.2019 04:00
Chemistry, 18.07.2019 04:00
Chemistry, 18.07.2019 04:00
