A jet plane is flying at a constant altitude. At time t, = 0 it has components of velocity v,87 m/s, v,= At time t2 25.5 s the components are v, = 169 m/s, Vy = 35 m/s 105 m/s. o search 1I

Q: If the fastest you can safely drive is 65 mi/h, what is the longest time you can stop for dinner if…

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Q: Give an example of vertical motion with a negative velocity and a negative acceleration?

A: Vertical motion

Q: A steel ball is thrown up with a velocity of 70 m/s from the ground. While coming down, it strikes a…

A: initial speed of ball u = 70 m/s let maximum height = H height of glass pan h = H/2 velocity losses…

Q: Discuss whether or not the velocity of an object can reverse direction while maintaining a constant…

A: Yes, the velocity of the object can reverse direction when its acceleration is constant.

Q: How far does the fighter jet travels

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Q: An object moving with a negative velocity and a positive  acceleration would be what? speeding up…

A: Given: An object moving with a negative velocity and a positive acceleration. We need to find the…

Q: If a car has zero acceleration must it’s velocity also be zero? Explain

A: Acceleration is define as rate of change of velocity with respect to time.so if acceleration is zero…

Q: A speeding car traveling at a constant velocity of 3 × 10'm/s passes a police car initially at rest…

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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: Even when moving around a corner, there is no acceleration as long as the object has a constant…

A: The given statement says that there is no acceleration as long as the object has a constant speed,…

Q: A toy train rolling on a straight stretch of tracks, initially going 0.31 m/s slows uniformly to…

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Q: When driving a car is it possible to have a negative velocity and acceleration? Given an example.

A: It is possible to have negative velocity and acceleration. Velocity and acceleration are vectors.…

Q: Does the speedometer of a car measure speed or velocity? Explain.

A: The speedometer of a car only measures the rotational velocity of the wheels. If you don’t move and…

Q: A cyclist travelling initially at 14 m/s south, brakes smoothly and stops in 4.0 s. What is the…

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Q: 13) Calculate the acceleration of a person who can reach a speed of 9.2 m/s in a time of 3.6 seconds…

A: Given : Initial velocity (u) is 0 m/s as the person starts from rest Final velocity is 9.2 m/s and…

Q: A biker speeds up to 28.3 m/s from rest in 6.18 seconds. The biker maintains this speed for 6.75…

A: initial velocity (u) = 0 msfinal velocity (v) = 28.3 mstime (t1) = 6.18 sec t2 = 6.75 sec , time for…

Q: make the graph for displacement vs. time and acceleration vs. time based on the velocity vs. time…

A: Acceleration-time graph can be obtained by using the slope of velocity time graph. And…

Q: 3. A dropping ball initially at rest falls 1.5m. Calculate (a) the traveling time of the ball and…

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Q: A dog runs at 21 km/h [N] for 5.0 min, slows to a stop over a period of 8.0 s, sniffs at a tree for…

A: The path covered by the dog is given below. Average velocity is given by v=total displacementtotal…

Q: An object starts from rest and undergoes uniform acceleration. During the first second it travels 2…

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Q: 3. (a) An object moving with constant acceleration changes its speed from 20 m/s to 60 m/s in 2.0 s.…

A: According to the Newton's laws of motion , the acceleration and displacement is calculated by using…

Q: A truck starts from rest and accelerates uniformly over a time of 5 seconds for a distance of 110 m.…

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Q: A car starts from rest and reaches a velocity of 100 km/h after accelerating uniformly for 10s. What…

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Q: Write down the relationship between acceleration, initial velocity and final velocity.

A: Acceleration can be defined as the rate of change of velocity.

Q: A motorboat starting from rest on a lake accelerates in a straight line at a constant rate of 3.0 m…

A: Given : initial velocity of the boat = 0 m/s Acceleration of the boat = 3 ms-2 Time period = 8s

Q: A plane has a takeoff speed of 88.3m/s and requires 1365m to reach that speed. Determine the…

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Q: An object starts from rest and undergoes uniform acceleration. During the first second it travels 5…

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Q: A toy train rolling on a straight stretch of tracks, initially going 0.31 m/s slows uniformly to…

A:

Q: A bus starts from rest and accelerates uniformly over a time of 10.5 seconds for a distance of 400m.…

A: Initial velocity, u = 0 Time taken, t = 10.5 seconds Distance, s = 400 m Acceleration, a = ?

Q: Over a distance of 260 meters, an automobile going initially at +940 m/s accelerates evenly at +0.10…

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Q: A baseball with an initial velocity of 20 m/s [W] is hit by a baseball bat, changing its velocity to…

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