Question

Flag for follow-up A student runs to physics class with a speed of 7 m/s. If the student has 960 J of kinetic energy, what is
0 0
Add a comment Improve this question Transcribed image text
Answer #1

Sๆ” Given, Speed, v=7m/s 960 kinetic energy, K6= Let mass of her be m kg 80, KE = Ź mv2 Ź m (7) 960 m= 2x960 = 39.18 kg À 9 m

Add a comment
Know the answer?
Add Answer to:
Flag for follow-up A student runs to physics class with a speed of 7 m/s. If...
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for? Ask your own homework help question. Our experts will answer your question WITHIN MINUTES for Free.
Similar Homework Help Questions
  • A physics student on skis has a mass of m. This student is given a push...

    A physics student on skis has a mass of m. This student is given a push on a frozen lake. The push gives the student an initial speed of 1.90 m/s. The coefficient of kinetic friction between the skis and the ice is 0.140. Use energy considerations to find the distance the student moves before he or she stops.

  • ils (1) A student is sitting motionless in physics class. What forces act on the student?...

    ils (1) A student is sitting motionless in physics class. What forces act on the student? Check all the correct answers. A) Gravity B) Normal Force C) Spring Force D) Air resistance E) The force of the student pushing on the chair (2) A block with a mass of 4 kg is sliding speed of 5 m/s. The presence of kinetic friction between the block and the surface results in a constant 4 N force acting on the block. How...

  • Calculus-based physics: A student with mass of 50.o kg is walking north with speed of 1.2...

    Calculus-based physics: A student with mass of 50.o kg is walking north with speed of 1.2 m/s while texting on their phone. Another student with mass 45.0 kg is traveling west with a speed of 1.5 m/s while reading a book. The two occupied students collide and stick together. a) Determine the speed and direction of the resulting collision b) What is their (total) initial and final kinetic energy Thank you!!

  • 11. An object has kinetic energy of 196 J. If its speed is 7 m/s, what...

    11. An object has kinetic energy of 196 J. If its speed is 7 m/s, what is its mass? A) 8 B) 56 C) 21.16601 D) 4.8

  • 12 A 60.0-kg woman who runs up a 3.00 m high flight of stairs in 3.50...

    12 A 60.0-kg woman who runs up a 3.00 m high flight of stairs in 3.50 s, starting from rest but having a final speed of 2.00 m/s? What is the final potential energy. A) 126 J B) 110W C) 153 J D) 120 J E) 140 J 13 A 100 g ball move upward with a velocity of 10 m/s from ground level in a free fall movement. What is the kinetic energy for the ball at ground level?

  • Gayle runs at a speed of 3.25 m/s and dives on a sled, initially at rest...

    Gayle runs at a speed of 3.25 m/s and dives on a sled, initially at rest on the top of a frictionless snow-covered hill. After she has descended a vertical distance of 5.00 m, her brother, who is initially at rest, hops on her back and together they continue down the hill. What is their speed at the bottom of the hill if the total vertical drop is 15.0 m? Gayle's mass is 51.0 kg, the sled has a mass...

  • Gayle runs at a speed of 3.45 m/s and dives on a sled, initially at rest...

    Gayle runs at a speed of 3.45 m/s and dives on a sled, initially at rest on the top of a frictionless snow-covered hill. After she has descended a vertical distance of 5.00 m, her brother, who is initially at rest, hops on her back and together they continue down the hill. What is their speed at the bottom of the hill if the total vertical drop is 15.0 m? Gayle's mass is 52.0 kg, the sled has a mass...

  • Gayle runs at a speed of 4.30 m/s and dives on a sled, initially at rest...

    Gayle runs at a speed of 4.30 m/s and dives on a sled, initially at rest on the top of a frictionless snow-covered hill. After she has descended a vertical distance of 5.00 m, her brother, who is initially at rest, hops on her back and together they continue down the hill. What is their speed at the bottom of the hill if the total vertical drop is 15.0 m? Gayle's mass is 47.5 kg, the sled has a mass...

  • Gayle runs at a speed of 4.15 m/s and dives on a sled, initially at rest...

    Gayle runs at a speed of 4.15 m/s and dives on a sled, initially at rest on the top of a frictionless snow-covered hill. After she has descended a vertical distance of 5.00 m, her brother, who is initially at rest, hops on her back and together they continue down the hill. What is their speed at the bottom of the hill if the total vertical drop is 15.0 m? Gayle's mass is 52.0 kg, the sled has a mass...

  • (5) Gayle runs at a speed of 4.49 m/s and dives on a sled, which is...

    (5) Gayle runs at a speed of 4.49 m/s and dives on a sled, which is initially at rest on the top of a frictionless snow.covered hill. After she has descended a vertical distance of 5.46 m, her brother, who is initially at rest, hops on her back and together they continue down the hill. What is their speed at the bottom of the hill if the total vertical drop is 16.6 m2 Gayle's mass is 51.4 kg, the sled...

ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT