Two planes fly in opposite directions, one at 500 mi/h and the other at 600 mi/h. How much time is needed for the planes to be 3000 miles apart?   Question 7 options:   5.45 hr   2.73 hr   3.67 hr

Q: An object is thrown vertically upwards with an initial velocity of 4 m/s. At an initial height of…

A: Given: An object is thrown vertically upwards with an initial velocity of 4 m/s. At an initial…

Q: C2. A dynamite blast blows a heavy rock straight up in the air with a launch velocity of 192…

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Q: 4. A roller coaster car starts going down a hill from rest. It accelerates at 4.0 m/s². If it is on…

A: Given Information:- Initial speed of the roller coaster is vi=0 Acceleration of the roller coaster…

Q: A MATH 151 student, standing on the ground, gets very frustrated and chunks a TI-84 calculator (that…

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Q: A spaceship is traveling at a velocity of v0 = (37.3 m/s)i when its rockets fire, giving it an…

A: Data Given ,  Initial velocity ( V0 ) = ( 37.3 i ) m/s Acceleration ( a ) = ( 2.55 i + 4.19 k ) m/s2…

Q: If you drive from Santa Cruz to San Jose, and back to the same place you started in 1.5 hours. What…

A: Given: Let, the time to drive from Santa Cruz to San Jose is t1, and the time taken back to the…

Q: A man stands on the top of a 725 m building and drops a coin from the top of the building. How fast…

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Q: I am driving at 35 mph on a foggy day when I see a car 5 miles ahead of me stopped in the road with…

A: Given  Maxximum decelaration of car is 12 mph/s = 43200 mile/h² Distance of car initialy = 5 miles.…

Q: A group of hikers sets out going 10.0km [N], then 15.0km [E], then 4.0km [S]. The entire trip takes…

A: 10km North  15km East  4km South  Time (t) = 4hours

Q: If you drive from Santa Cruz to San Jose, and back to the same place you started in 1.5 hours. What…

A: Average Velocity of an object is its total displacement divided by total time taken.  Displacement -…

Q: A runner is moving with a speed of 2.68[m/s]. How long will it take the runner to complete a 5.0[km]…

A: The expression for find time taken by the runner to complete the race is t=dv

Q: The object is thrown straight up at 3m/s from 1 m above the ground. Which of the following best…

A: Given data:  Initial velocity (u) = 3 m/s, straight upward Initial height (h) = 1 m Required: The…

Q: A roller coaster reaches a height of 35.0 m above the ground on its first hill. If a car starts from…

A: Given information: The height of the first hill (H) = 35 m The height of the bottom of the track (h)…

Q: You were standing at the edge of a vertical cliff. You horizontally throw a ball with a speed of 10…

A: Given: The intial speed of the ball is 10 m/s in the horizontal direction. The height of the ball…

Q: A small rock is thrown vertically upward with a speed of 22 m/s from the edge of the roof of a…

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Q: 1. Which graph, D, E, or F shows their velocity over time? Explain your answer 2. How is the graph…

A: 1. In 1st second , displacement is 100m , so velocity is 100m/s. In 2nd second , displacement is…

Q: I need to drive from A to C via B at total distance of ΔL. The distance from A to B is ΔL1, from B…

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Q: 60 45 45 km 60 km 97.5 km O 135 km 30 15 -15 -30 1 2 When are you farthest from home? hr w/ 3 4…

A: a)You are farthest away from home when v(t)> 0 and changes to negative. This happens at 3 hrs.…

Q: I drop a baseball from the top of a 18m window, somebody right below me throws their own baseball…

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Q: Collin stands on a 60.0 m high cliff shooting a cannon. He is using a launch angle of  42.0 degree…

A: Given that a cannon ball is shooted from a cliff of height 60.0 m at a launching angle of 42° with a…

Q: At t=0, a particle starts with an initial velocity of 10 i m/s and accelerates uniformly at (-2.0 i…

A: Given initial speed (u)=10 m/s Acceleration (a)=(-2.0 i +4.0 j) m/s2 Required speed at t=5 s

Q: If you drive from Santa Cruz to San Jose, and back to the same place you started in 1.5 hours. What…

A: Concept used  Average velocity  -It's defined as the ratio of displacement ∆x (x2-x1) to the time…