supertailsninja453
16.12.2020 •
Physics
the skater at the top of the ramp has a mass of 72kg and the ramp is 20mtall how much kinetic energy will this skater have at the bottom of the ramp if there was no friction
Solved
Show answers
More tips
- S Style and Beauty How to Choose the Perfect Hair Straightener?...
- F Family and Home Why Having Pets at Home is Good for Your Health...
- H Health and Medicine How to perform artificial respiration?...
- H Health and Medicine 10 Tips for Avoiding Vitamin Deficiency...
- F Food and Cooking How to Properly Cook Buckwheat?...
- F Food and Cooking How Many Grams Are In a Tablespoon?...
- L Leisure and Entertainment Carving: History and Techniques for Creating Vegetable and Fruit Decorations...
- P Photography and Videography How to Choose the Perfect Photo Paper for Your Images?...
- H Health and Medicine What vaccines do children need?...
- H Health and Medicine Reasons for the Appearance of Warts: Everything You Need to Know...
Answers on questions: Physics
- P Physics A little red wagon with mass 7 kg moves in a straight line on a frictionless horizontal surface. It has an initial speed of 4 m/s and then is pushed 3 m in the direction...
- S Social Studies Was the minoans and mycenaeans ruled by greek city-states?...
- M Mathematics Which expression represents that x was doubled and then decreased by 25%? A. 2x - 0.25x B. 0.25x – 2x C. 2(x - 0.25x) D. 2x - (2x - 0.25x)...
- M Mathematics The plot below shows the distribution of grades for a test. 70 75 80 85 90 95 100 If Jeff earned a score of 91 on the test, in which quartile does his test score fall?...
- B Biology What is the breathing in of oxygen and exhaling of carbon dioxide and water in humans. Respiration Reproduction Homeostasis Excretion...
- C Chemistry The concentration of gallium in silicon is 5.0 10-7 at%. What is the concentration in kilograms of gallium per cubic meter?...
Ответ:
Explanation:
Power= energy/ time=1960 / 4× 60= 8.166 watt