A skier is initially at point A at 50 m (tA=0.0 minutes); he moves to the right in 1 minute to point B at 400.m (tB=1.0 minutes), then turns and moves 150. m to the left at point C after another minute (tC=2.0 minutes) and finally after another minute has moved right by 100. m at point D (tD=3.0 minutes). 1. What is the skier’s distance from A to D? 2. What is the skier’s displacement from A to D? 3. What is the skier average velocity from A to D? 4. What is the skier average speed from A to D

Q: 10. A certain car increases its speed uniformly from 22.0 m/s to 37.0 m/s in a distance of 1.99 x…

A: Answer:-  Given  Initial speed (u) = 22.0 m/s  Final speed (v) = 37.0 m/s  Distance travelled (S) =…

Q: There are two frogs named Froggy and Jumpy. They jumped from the top of a vertical cliff. Froggy…

A:

Q: A ball is launched vertically upward with a speed of (21.0+A) m/s. Determine the speed of the ball…

A: Given: The initial speed of the ball is Vi =(21.0 +A) m/s. The height is h = (18.0 +B). A =15 B = 8

Q: Q1. A ball is launched with the speed of 20.0m/s at 30 angle from point A at the top of a 100m tall…

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Q: 2. It is Superbowl weekend!!! Capt. Balloon is scheduled to fly the Goodyear blimp from the airport…

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Q: A toy rocket moving vertically upward passes by a 1.8 m -high window whose sill is 7.0 m above the…

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Q: a toy race car comepletes a lap around an 80 meter track in 15secs. a. what is the toy cars…

A: Given that                  Lap around an(r) = 80 meter Since after each lap the position of the car…

Q: 5. The height of a football is modelled by the function h(t) = -5² + 15t + 1, where h(t) is the…

A: Given: Height, h(t)=-5t2+15t+1                                          (1)

Q: On the apollo 14 mission to the moon, astronaut Alan Shepard hit a golf club improvised from a tool.…

A: Initial speed (v) = 25 msLaunch angle (θ) = 26o

Q: I took 2.28km and converted it to 2280 meters then divided by 3200 and ended up with .71m/s but it…

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Q: 4. A stunt driver on a motorcycle speeds off a 22.3 m high cliff at a speed of 24.5 m/s. How far…

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Q: A level-flight bomber, flying at 400 ft/s, releases a bomb at an elevation of 7500ft. a. How much…

A: Velocity, u = 400 ft/s = 400/3.281 m/s = 121.92 m/s        (horizontally)  Velocity, u = 0…

Q: At the instant 0= 19,h=15 m, rdot=-11.2 m/s and r double dot=6.4. find at that instant

A: θ=19°height, h=15 mcos 19°=base hypotenuse=hrr=hcos 19=15 sec 19=15.86 mr˙=-11.2 m/sr¨=6.4…

Q: An object is fired vertically up from the edge of the top of a 80 m high building. It reaches the…

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Q: . The final push to the summit of Mt. Everest starts at Camp 3. Your displacement from Camp 3 to…

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Q: A vollyball player hits a ball vertically upwards with an initial velocity of 7.0 m/s. What is the…

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Q: hare and a tortoise are having a race along a 2.0km track. The tortoise sets off at a constant speed…

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Q: 1. A rugby player throws her rubgy ball vertically up and catches it after 2.2 seconds.  a. How…

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Q: 5. A football is kicked vertically upward from the ground and a student gazing out of the window…

A: The football is moving with a speed 5 m/s. The height of the window is 10 m from the ground.

Q: A projectile exits a launch tube with a velocity of 255 m/s. While accelerating through the launch…

A: Given,

Q: A red-eye tree frog jumps straight up to a vertical height of 1.10 m. Take ?=9.80m/s2. 1. What is…

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A: Given  Initial velocity u=3 m/s Initial height h=1.60m

Q: A diver running 3.0 m/s dives out horizontally from the vertical cliff and 4.0 s later reaches the…

A: GivenVelocity of diver in horizontal direction ,vx=3.0 m/sTime taken ,t=4.0 s

Q: 2. Nicaria drives her scooter 10 kilometres north. She stops for lunch and then drives 5 kilometres…

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Q: Weddell seals foraging in open water dive toward the ocean bottom by swimming forward in a…

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Q: The superhero, Sashinator, flies directly upwards for 100m in 1 second, then slows down and flies…

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Q: 5. A car with an initial velocity of 9 m/s, accelerates at a constant rate of 3.6_ m/s. a. How much…

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Q: It is Superbowl weekend!!! Capt. Balloon is scheduled to fly the Goodyear blimp from the airport to…

A: displacement in vector notation is 21.4cos240i→+sin240i→km  wind velocity is 6.3cos220-i→+sin220-j→…

Q: A hiker walks 2.5 km [W] and then 4.5 km [S]. What is her total displacement? a. 7.0 km [SW] b. 5.1…

A: "Since you have asked multiple questions, as per instructions to us, we will solve the first…

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Q: Q1. Under what conditions can we have V2 Ã= -HoJ? Prove the identity.

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Q: Two children who are bored while waiting for their flight at the airport decide to race from one end…

A: Given that Renee runs on the floor with speed 2 m/sec. Time taken by the Renee to run and back from…