consider a stone ejected vertically upward from the ground with an initial velocity of a 4 m s . It hits the ground after 0.82 s .  A.What was the acceleration of the stone at its highest point. B. What was the stones velocity and the highest point C. How many seconds did it takes the stone to reach the highest point D. What was the velocity of the stone as it hit the ground give magnitude and direction

Q: Q4: A car is accelerated from rest to a velocity of 75 km/h over a distance of 2500 m. (a) How long…

A: The given data are: u=0 m/sv=75 km/h=20.833 m/ss=2500 m Here, u denotes the initial velocity, v…

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A: A ball is thrown vertically upwards and then caught at the same height. upwards is taken to be as…

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A: Given:  velocity and acceleration

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A: (a) The expression for average acceleration is, aavg=change in velocitytime elapsed…

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A: As per the given data, Initial velocity (u) = 2.4 m/s; Distance covered (s) = 19 m; Time (t) = 3.2…

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A:

Q: 18. A golf ball rolls up a hill toward a miniature-golf hole. Assume that the direction toward the…

A:

Q: A high-performance sports car can go from 0 to 100 mph (44.7 m/s) in 5.8 s. (Assume the car travels…

A: (a)Given thatinitial velicity=0 m/sfinal velocity=44.7 m/stime=5.8 secAverage acceleration=final…

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A: Here we have to use equation of motion

Q: Q3// A bus starts from rest and accelerates at 1.5 m/s2 until it reaches a velocity of 9 m/s. The…

A: Acceleration of the bus (a1)=1.5 m/s2 Deceleration of the bus (a2)=2 m/s2 Maximum velocity of the…

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A: Given: initial speed of train, u = 0 acceleration of train, a = 0.3 m/s2  time taken , t =  18 s

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A: Given:  An object thrown upwards

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A: The required velocity of the car is, The required acceleration is,

Q: After a big snowfall, you take your favorite rocket-powered sled out to a wide field. The field is…

A: Length of field, S = 181mAcceleration of sled, a = 4.05 m/s2initial speed, u = 0 m/s→let the time…

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A: Dear student,  Since both questions are different as per guidelines we can author only first one…

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A:

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Q: Which velocity-versus-time graph goes with the positionversus- time graph on the left?

A: Given,

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A: GIVEN : FOR HELICOPTER'S MOTION :  Acceleration a=5.0 m/s2 Time t= 10 s FOR POWER AGENT : Upward…

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A: An object is thrown up

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A:

Q: Question number 4

A: (a)The equation for velocity is,

Q: A high-performance sports car can go from 0 to 100 mph (44.7 m/s) in 7.8 s. (Assume the car travels…

A:

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A: Given:

Q: Question is pictured below

A: The expression for average speed  vav is given by,

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A: Given, A car is traveling at a steady 77 km/h in a 50 km/h zone.acceleration of the motorcycle, a =…

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A:

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A: A Soccer ball is rolling towards the net • Below is the graph

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Q: distant planet throw a rock straight upward

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Centripetal Force

A particle, body, object or certain mass while travelling in a rotational path or semicircular path, experiences an inertia force. If that inertia force pulls the towards the inward of the imaginary circle in the rotation, it is termed as centripetal force.