Your mass is 79.7 kg, and the sled s mass is 13.7 kg. You start at rest, and then you jump off the sled, after which the empty sled is traveling at a speed of 4.39 m/s. What will be your speed on the ice after jumping off? 0.98 m/s 0.75 m/s 0.45 m/s 1.20 m/s
Q: Calculate the average force a bumper would have to exert to bring a 1000-kg car torest in 20 cm when…
A: Given data: The mass is m = 1000 kg The initial speed is u = 8 m/s The displacement is h = 0.20 m…
Q: A stuntman of mass 55 kg is to be launched horizontally out of a spring- loaded cannon. The spring…
A: Mass of stuntman (m) = 55 kg Spring coefficient (k) = 266 N/m Compression in spring (x) = 5 m Need…
Q: A 1000 kg automobile is moving at 30 m/s at a height of 5.0 m above the bottom of a hill when it…
A: Mass ( m ) = 1000 kg Height ( hi ) = 5 meter Velocity ( uf ) = 30 m/s
Q: Assume that the force of a bow on an arrow behaves like the spring force. In aiming the arrow, an…
A:
Q: A0.440 kg shuffleboard disk is initially at rest when a player uses a cue to increase its speed to…
A:
Q: 8. A 0.56-kg ball is thrown vertically upward with an initial speed of 16.5 m/s. What is the speed…
A: GIVEN Mass of the ball = m = 0.56 kg Initial speed of the ball = V1 = 16.5 m/s…
Q: An all-star cheerleading team throws a 40 kg flyer cheerleader into the air from an initial position…
A: We know that time to reach maximum height of a projectile is given as T=ug Where u is initial speed…
Q: デジタル形式で段階的に解決 ありがとう!! SOLVE STEP BY STEP IN DIGITAL FORMAT A toy gun uses a spring for which k = 20…
A: The projectile will reach a height of 18m.Explanation:Assume that the acceleration of gravity is g =…
Q: An 8000-kg engine pulls a 40 000-kg train along a level track and gives it an acceleration 2.4…
A: Mass of engine M=8000 kg, mass of first train M1=40000 kg, acceleration of first train a=2.4 m/s2…
Q: A sailboat has a mass of 4000 kg. The sail generates a forward for of 13,000 N. The water provides a…
A:
Q: A hand pushes block A (ma = 3 kg) with a constant force Nand. A 75 N for a distance Ax = 2 m along a…
A: In the elastic collision, both the energy and the momentum are conserved. Whereas, in an inelastic…
Q: A rope hangs down from a high tree branch at the edge of a river. Josh, who has mass 65 kg, trots at…
A: Given values, mass of josh, m =65 Kg Length of rope, L =7.2 m velocity of josh, v =2.5 m/s
Q: A block of unknown mass is placed on a ramp at a height h above the ground as shown. The block is…
A:
Q: A 5.0 N horizontal force is applied to a 2.5 kg cart for 3.8 m (starting with a speed of 0 m/s).…
A: given; horizontal force=5 N Mass = 2.5 kg initial speed is =0 m/s distance =3.8 m final velocity v
Q: et momentum of
A: Pickup truck:Mass: 3,175 kgVelocity: 20 m/s (in the -x direction)Momentum: px = Mass × Velocity(-x…
Q: When a model rocket is launched, the propellantburns for a few seconds, accelerating the rocket…
A:
Q: Extra credit: A ball is thrown straight up with a velocity of 15 m/s. What maximum height does the…
A: Given data The initial velocity of the ball is u = 15 m/s. The maximum height is calculated as,…
Q: You are conducting an experiment to find the kinetic coefficienct of friction between a 5kg box and…
A: Given, mass of box, m = 5kg the angle of inclination of the ramp is, θ=25o initial velocity of box…
Q: The 70-kg boy slides down the smooth water slide. If he starts from rest at A, determine his speed…
A:
Q: = 75 N for a distance Ax = 2 m along a (mostly) A hand pushes block A (ma =3 kg) with a constant…
A:
Q: mB = 6 kg Nhand,A 75 N %3D VA = 8 m/s ma =3 kg Block Block Block Block B Hk = 0.4 -2 m Ax Note:…
A:
Q: The three balls in (Figure 1), which have equal masses, are fired with equal speeds from the same…
A: Consider the initial velocity of the balls is u. Initial kinetic energy can be expressed, This…
Q: A 1500 kg car skids to a halt on a wet road where 4 = 0.51. You may want to review (Pages 141 - 145)…
A:
Q: A box of mass 2.0 kg hangs by a cable from the ceiling of an elevator. The elevator is moving up at…
A:
Q: Henry, whose mass is 95 kg, stands on a bathroom scale in an elevator. The scale reads 830 N for the…
A: Apply newton’s second law of motion along the motion of the lift, and substitute 95kg, for m,…
Q: A skier is sliding downhill at 7 m/s when she reaches an icy patch on which her skis move freely…
A: Given that: Initial speed of the skier is u = 7 m/s Difference of altitude of top and bottom of the…
Q: A 50 g particle that can move along the x-axis experiences the net force Fx=2.0t^2 N where t is…
A:
Q: At the start of a race, a four-man bobsled team pushes their sled as fast as they can along a 50 m…
A: Mass, m = 325 kgFriction force, F = 60 NPull force, P = 964.079 N at 15°Displacement, d = 50 m
Q: A 10-N net force is applied for 5.0 s to a 12-kg box initially at rest. What is the speed of the box…
A:
Q: A hand pushes block A (ma= 3 kg) with a constant force Nand, A= 75 N for a distance Ax = 2 m along a…
A:
-
Your mass is 79.7 kg, and the sled s mass is 13.7 kg. You start at rest, and then you jump off the sled, after which the empty sled is traveling at a speed of 4.39 m/s. What will be your speed on the ice after jumping off?0.98 m/s0.75 m/s0.45 m/s1.20 m/s
Step by step
Solved in 3 steps
- Question 10 A 0.26-kg rock is thrown vertically upward from the top of a cliff that is 32 m high. When it hits the ground at the base of the cliff, the rock has a speed of 29 m/s. You may want to review (Pages 234 - 241). ▼ Part A Assuming that air resistance can be ignored, find the initial speed of the rock. Express your answer using two significant figures. ? vo = m/s Submit Request Answer Part B Find the greatest height of the rock as measured from the base of the cliff. Express your answer using two significant figures. ? Hmax =A cat kicks a 0.43 kg chees block that was initially at rest. the net force is 20. What is the cheeses speed at t= 20 msA0.28-kg rock is thrown vertically upward from the top of a cliff that is 31 m high. When it hits the ground at the base of the cliff, the rock has a speed of 30 m/s . You may want to review (Pages 234 -241) - Part A Assuming that air resistance can be ignored, find the initial speed of the rock. Express your answer using two significant figures. ? m/s Submit Requeet Answer Part B Find the greatest height of the rock as measured from the base of the cliff. Express your answer using two significant figures. Hmar = Submit Requeet Anewer
- A force F = (cx – 3.00x² )î acts on a particle as the particle moves along an x axis, with F in newtons, x in meters, andca constant. At x = 0 m, the particle's kinetic energy is 20.0 J; at x = 3.00 m, it is 11.0 J. Find c. Number UnitsA 47 kg skater is standing still in front of a wall. By pushing against the wall she propels herself backwards with a velocity of -1.1 m/s. Her hands are in contact with the wall for 1 seconds. Ignoring friction and wind resistance, find the average force she exerts on the wall? Faverage1
- A child of mass 30.0 kg begins from rest and slides down a waterslide without friction, then launches into a pool. What is her speed at pt. 2 assuming the height of this point is 0.9 above the ground? pt. 1 2.0 m pt. 2 pt. 5 h pt. 3 0.8 m pt. 4 0.4 m Apt. 6A car of mass 1670kg initially at a speed of 80 km/m crushes into a wall, if the accident lasted for 0.2 sec. what is the amount of force exerted in the car during the crashYou push a 43-kg file cabinet to the right on a frictionless horizontal surface with a force of 225 N from rest, the cabinet moves a distance of 7.3 m. What is the final speed of the cabinet, in m/s? Your answer needs to have 2 significant figures, including the negative sign in your answer if needed. Do not include the positive sign if the answer is positive. No unit is needed in your answer, it is already given in the question statement.
- A commercial airplane is coming in for a landing. Just before it hits the runway it is moving at 76 m/s. The plane has a mass of 20,000 kg. The runway is 1.6km long and, obviously, the airplane needs to be stopped before it reaches the end of the runway. How large is the braking force the airplane needs to stop safely before the end of the runway?1. Sam, whose mass is 75 kg, takes off across level snow on his jet-powered skis. The skis have a thrust of 200 N and a coefficient of kinetic friction on snow of 0.10. Unfortunately, the skis run out of fuel after only 10 s. A. What is Sam’s top speed? B. How far has Sam traveled when he finally coasts to a stop?Question 4 Problem: An escalator is used to move exactly 8 Question 3 Problem: An escalator is used to move exactly 8 passengers per minute from the first floor of a department store to the second floor. The passengers per minute from the first floor of a department store to the second floor. The second floor is located 5.2 meters above the first second floor is located 5.20 meters above the floor. The average passenger's mass is 54.9 kg. Determine the power requirement of the first floor. The average passenger's mass is 54.9 kg. Determine the power requirement of the escalator in order to move this number of escalator in order to move this number of passengers in this amount of time. Use a value for g of 9.80 m/s?. passengers in this amount of time. Use a value for g of 9.80 m/s?. 4 x 10? watts а. 4 x 102 watts b. 3.7 х 102 watts а. b. 3.7 x 102 watts C. 3.73 x 10? watts С. с. 3.73 х 102 watts С. d. 3.730 x 102 watts d. 3.730 x 102 watts