A golf ball of mass 0.045 kg is hit off the tee at a speed of 37 m/s. The golf club was in contact with the ball for 3.10×10-3 s ▼ Part A Find the impulse imparted to the golf ball. Express your answer to two significant figures and include the appropriate units. FAt = Submit Part B μA Value 1 Request Answer Units ? Find the average force exerted on the ball by the golf club. Express your answer to two significant figures and include the appropriate units.
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- ent G An impulse of 12.2 kg*m/s is deli x 361242/take 10 p Question 1 A warehouse employee is pushing a 30.0 kg desk across a floor at a constant speed of 0.50 m/s. What is the magnitude of the momentum of the desk? O 0.017 kg*m/s O 15.0 kg*m/s O 60 kg*m/s O 30.5 kg*m/s Question 2 10 pts Norton Antivirus: 19.99/YE Your special price is valid to Google Chrome istudy-helper.co The momentum of a 12kg dog racing to greet its owner has a Norton What is the dog's speed? Install O a CopThe bumper of a car has a force sensor mounted inside which records the force vs time graph during crash testing. A particular collision occurs between t = 0.075s and t = 2.32s and can be modelled by the following function: F(t) = 4t4 – 80t² + 140t – 10 A graph of the collision is also provided below: Impulse 60 50 40 30 20 10 1 time (s) Part A The impulse during the collision will be while the maximum force experience by the bumper will be 75 kg · m/s, 33N 54 kg · m/s, 54N O 75 kg · m/s, 54N 54 kg · m/s, 33N (N) aɔ10A golf ball of mass 0.045 kg is hit off the tee at a speed of 35 m/s. The golf club was in contact with the ball for 3.50×10−3 s. Part A Find the impulse imparted to the golf ball. Express your answer to two significant figures and include the appropriate units. F¯Δt =________ Part B Find the average force exerted on the ball by the golf club. Express your answer to two significant figures and include the appropriate units. F=____________
- A blue puck with a mass of 4.50×10-2 kg. sliding with a velocity of 0.230 m/s North on a frictionless, horizontal air table, makes a perfectly elastic, head-on collision with a red puck with mass m, initially at rest. After the collision, the velocity of the blue puck is 5.0×10-2 m/s North. ▼ ▼ Part A Find the momentum of the red puck after the collision. Give the horizontal component with North positive. Give the horizontal component of momentum with North positive. ΨΕΙ ΑΣΦ Submit Part B Request Answer Find the kinetic energy of the red puck after the collision. |路| ΑΣΦ Submit ? Request Answer ? kg-m/s10. Ā = -2â + -3ŷ and B = -4â + -4ŷ. Calculate R = Ã+B. Calculate 0, the direction of R. Recall that 0 is defined as the angle with respect to the +x-axis. A. 49.4° B. 130.6° C. 229.4° D. 310.6°An insurance company is testing air bag safety. Car A has front air bags and Car B does not. In both cases, the cars are driven into a brick wall with the same momentum. In Car A, the dummy survives, but in Car B, the dummy does not. In terms of impulse and force, please explain this result. The dummy in Car B experienced a greater impulse and a greater force than in Car A. O The dummy in Car B experienceda greater impulse but the same force as in Car A. The dummy in Car B experienced the same impulse but a greater force than in Car A. O The dummy in Car B experienced the same impulse and the same force as in Car A. O Not enough information to determine.
- Suppose F₁ = 2000 N. (Figure 1) You may want to review (Pages 262-266). Figure F, (N) F 0- 0 N. 2 4 6 1 of 1 -t (ms) Part A What impulse does the force shown in the figure exert on a 250 g particle? Express your answer in newton-seconds to two significant figures. WD ΑΣΦ J = Submit Previous Answers Request Answer X Incorrect; Try Again Provide Feedback ? N.SA model rocket is constructed with a motor that can provide a total impulse of 26.0 N-s. The mass of the rocket is 0.117 kg. What is the speed that this rocket achieves when it is launched from rest? Neglect the effects of gravity and air resistance. Number i UnitsA hockey player passes a 0.168kg puck that is initially sliding backward at 5.00m/s. The force exerted by the player's stick on the puck is 1300.ON[forward], and the stick is in contact with the puck for 5.00ms. a. Find the impulse imparted by the stick to the puck and b. calculate the speed of the puck just after it leaves the hockey stick.
- A golf ball m = 0.155 kg strikes a vertical concrete wall elastically with a horizontal velocity of v = 15 m/s. a. Write an expression for the magnitude of the impulse I experienced by the ball. b. If the ball was in contact with the wall for t = .1s, what is the magnitude of the force F the ball experienced in N? c. If the ball rebounds with only half the velocity it comes in with, what is the magnitude of the impulse in kg m/s? d. Determine the magnitude of the change in kinetic energy in the above situation. Give your answer in joules.Part A A tennis ball of mass m = 0.060 kg and speed v = 29 m/s strikes a wall at a 45° angle and rebounds with the same speed at 45°. (Figure 1) What is the magnitude of the impulse given to the ball? Express your answer to two significant figures and include the appropriate units. µA а xa Xb X•10" FAt = 1.82808 kg S Submit Previous Answers Request Answer X Incorrect; Try Again; 3 attempts remaining Part B What is the direction of the impulse given to the ball? Figure 1 of 1 upward downward to the left to the right 450 Submit Previous Answers 450 Correct 圓A large raindrop--the type that lands with a definite splat--has a mass of 0.014 g and hits your roof at a speed of 8.1 m/s. Part A What is the magnitude of the impulse delivered to your roof? Express your answer with the appropriate units. J = Part B Fav = μA Value .0 If the raindrop comes to rest in 0.37 ms, what is the magnitude of the average force of the impact? Express your answer with the appropriate units. μA Units Value 2 ? Units ?