5. A projectile of mass 0.75 kg is shot straight up into the air with an initial speed of 20 m/s.if there were no air resistance?a. How high would itgob. If the projectile rises to a maximum height of 12 m, determine the magnitude ofthe average force due to air resistance.

Answered: Image /qna-images/answer/8770f0aa-c8a9-48c7-9b12-0523c80ec00d.jpg

Answered: 5. A projectile of mass 0.75 kg is shot…

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter5: Energy

Section: Chapter Questions

Problem 75AP: A ski jumper starts from rest 50.0 m above the ground on a frictionless track and flies off the...

See similar textbooks

Similar questions

A projectile of mass 0.75 kg is shot straight up into the air with an initial speed of 20 m/s. a. How high would it go if there were no air resistance? b. If the projectile rises to a maximum height of 12 m, determine the magnitude of the average force due to air resistance.
A 75.0 kg skier slides down a 75.0 m high slope without friction. The velocity of the skier at the bottom of the slope is a. 40.5 m/s. O b. 38.3 m/s. C. 50.0 m/s. d. 20.6 m/s. O e. 29.7 m/s.
4. A 0.15 kg marble is on a track. It is being held at the top of a hill that is 10 m high. If it is let go, and the bottom of the track is on the ground, find its velocity at the bottom of the track.
1. Neglecting air resistance, how much would you have to raise the vertical height if you wanted to triple the impact speed of a falling object? a. 4 times b. 9 times c. triple d. double
A 200-N block in contact with a level plane is acted upon by a horizontal force P = 100N. The fk = 0.20. What will be the velocity of the block after 3s, starting from rest? a. 7.905m/s b. 8.829m/s c. none d. 10.027m/s e. 9.651m/s
A 25g ball slides down a şmooth inclined plane 0.850 m high that makes an angle of 35 degrees with the horizontal The ball sps down into an open box of 150 g mass. The ball and the box slide off the end of a table 1.0m high. a) How far from the base of the table will the box and ball hit the ground? b.) What is their final velocity?
John fires a projectile in a Uwindsor lab and notes that the 20.0g projectile travels 785 m/s. It then strikes a ball of clay and penetrates 24.5 cm into it. Based on this information, what 48. would John calculate as the average force the projectile exerts on the clay? А. 2.07 x 105 N В. 1.97 x 104 N С. 3.93 х 104 N D. 2.52 x 104 N Е. 6.26 х 103 N
9. a. An arrow is fired from a bow with a velocity of 69.2 m/s. The arrow has a mass of 0.082 kg. The arrow travels 0.855 m as it's being released/ while the force of the taunt string acts on it. What is the change in KE, AKE, of the arrow? 196.33 Previous submissions: b. What was the force of the bow string? 229.63 Previous submissions: J N V incorrect V incorrect
3. A 2kg owl jumps directly upward into the air with a speed of 5m/s, but a wind is blowing which exerts a 6N force on the ball to the right. How far away does the owl land? Ax Vi Vf a At X Y 6N 5m/s ?
A 57.1 kg person jumps on the ground from a height of 1.42 m. If he lands stiffly (with his knee joints compressing by 0.500 cm). Calculate the force on the knee joint. Answer and provide with solutions a. 111916.00 N b. 16216.40 N c. 158920.72 N d. 1589.21 N
1.a. A ball has an initial speed of 5 m/s, going to the right then hits a wall. After hitting the wall, the ball now goes to the left with a speed of 2 m/s. What is the magnitude of the force exerted by the wall to the ball if the time of contact between the two is 0.02 s? Hint: Be careful with the direction of the velocities. 1.b. A boxer punches a 60-kg bag, with the speed of fist at 8 m/s. After the punch, the bag flies away and the hand comes to a complete stop. What is the rebound velocity and kinetic energy of the bag? Assume that the moving part of the hand weighs 5 kg.
A 19.8-kg box is moving due east at a constant velocity of 15.5 m/s. Compute the normal force exerted by the surface on the box. a. 1.63 N b. 20.20 N c. 306.90 N d. 194.04 N A 57.1 kg person jumps on the ground from a height of 1.42 m. If he lands stiffly (with his knee joints compressing by 0.500 cm). Calculate the force on the knee joint. a. 111916.00 N b. 16216.40 N c. 158920.72 N d. 1589.21 N

SEE MORE QUESTIONS

Recommended textbooks for you

College Physics

Physics

ISBN:

9781305952300

Author:

Raymond A. Serway, Chris Vuille

Publisher:

Cengage Learning

College Physics

Physics

ISBN:

9781305952300

Author:

Raymond A. Serway, Chris Vuille

Publisher:

Cengage Learning

SEE MORE TEXTBOOKS

5. A projectile of mass 0.75 kg is shot straight up into the air with an initial speed of 20 m/s. if there were no air resistance? a. How high would it go b. If the projectile rises to a maximum height of 12 m, determine the magnitude of the average force due to air resistance.