Q7:A person is at building-top (50m high). Stone fells down from his hand to reach ground. (A) Calculate stone velocity when hits ground? (B) Time is taken stone to hit ground.Note: Support the solution .with diagram and marking

Q: A motorcyclist drives along a straight road with a velocity of 40.0 m/s [forward]. The driver…

A: Given , Velocity of motorcyclist (ui) = 40m/s ( forward ) Acceleration due to brakes (a) = 6m/s2 (…

Q: Two friends watch a jogger complete a 400 m lap around the track in 100 s. One of the friends…

A: distance, d = 400 m time, t = 100 s

Q: During takeoff, an airplane goes from 0 to 43 m/s is 8 . What is its acceleration? Calculate answer…

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Q: If a boy dropped a rock off a high cliff, how fast would it be falling after 2.0 second had elapsed?…

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Q: The graph shows the velocity, in feet per second,of a decelerating car after the driver applies the…

A: The distance covered is the area under the curve.

Q: A 1500 kg car traveling at 17 m/s suddenly runs out of gas while approaching the valley shown in the…

A: Write the given values of the problem- Mass of the car(m) m=1500 kg speed(u) u=17 m/s

Q: A ball is thrown upwards with an initial velocity of 3.7 m/s. How long will it take to reach it's…

A: Given: The ball is thrown up Initial velocity (Vo) = 3.7 m/s To find: Time to reach the maximum…

Q: Joel kicks a soccer ball straight upward at 14.2 m/s. • Calculate how high it will travel upward. •…

A: Given data: Initial velocity (Vi) = 14.2 m/s Acceleration (a) = -9.8 m/s2 Required: Maximum height…

Q: A car goes from point A to point B. The speed of the car is constant at 88 km/hr for 65% of the…

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Q: A sports car accelerates from rest to 91 km/h in 5.5 s. What is its average acceleration in m/s.…

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Q: The approximate distance by the expression 4.9t^2 , where t seconds is the time during which the…

A: The distance fallen by an object is given by the expression :  d = 4.9t2

Q: Refer to figure 1. A ball falls from a building that is 10.0 m tall. Calculate how fast the ball…

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Q: Initially stationary, a train has a constant acceleration of 2.4 m/s ^ 2 What is its speed after…

A: Initial velocity u=0Acceleration  a=2.4m/s2Final speed v=?t=11.8 secv=u+at

Q: Find the total distance the grasshopper travels if it lands on the ground.

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Q: Filal Exam / Final Exam A cyclist accelerates uniformly at 30 m/s- for 10s, and his speed after…

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Q: The position of a moving object was measured and furious times and the results are shown in the…

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Q: Question: A falling stone takes 0.2 s to travel past a window 2.2 m tall. Calculate the velocity of…

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Q: A car is moving with a velocity of 20 m/s, it starts to decelerate by -2 m/s². How long it takes for…

A: Given data:  Initial velocity (u) = 20 m/s Acceleration (a) = -2 m/s2  Final velocity (v) = 0 m/s…

Q: An airplane requires 20 s and 400 m of runway to become airborne, starting from rest. What is its…

A: time (t) = 20 s Distance (d) = 400 m Initial speed (u) = 0 ms

Q: Tim dropped a ball off of a cliff, and it took 3.0 seconds for it to hit the ground. How high was…

A: Given Time taken is t= 3.0 seconds Acceleration due to gravity is g=9.80 m/s2.

Q: Henrietta is riding the giant drop at great america if henrietta free falls for 3.08 seconds how far…

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Q: A stone of is dropped from a height of 50 meters with zero velocity. Assuming no air resistance,…

A: Ans:- Image-1

Q: A student who aspires to ace his quiz in Phys134 went to a wishing well. He dropped his first…

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Q: If you throw a rock straight down with a speed of 12.2 m/s off a cliff and it lands 8.55 seconds…

A: It is given that, u=12.2 m/st=8.55 sa=-g=-9.8 m/s2

Q: 55 Kg lead ball is dropped Jram the learning tower of pisa. The tower (a) How Jar does Hhe ball Jall…

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Q: A ball rolls up a hill. It has an acceleration of -4.0m/s^2 if it takes 2.0 seconds for the ball to…

A: Given, The acceleration is -4.0 m/s2 and time is 2.0 second to cover distant of -3.0 meter

Q: A person throws a ball upwards into the air with an initial velocity of 15.0 [m/s). How high does it…

A: Given Data:-  Initial velocity of the ball is vi=15.0 m/s. Suppose the ball will reach a maximum…

Q: Two cars, A and B, move along the x-axis. The figure (Figure 1) is a graph of the positions of A and…

A: The position time graph for both the cars A and B

Q: A rock is dropped from the top of the building ? Rock starts from rest and it takes 7seconds to…

A: Given t = 7 second G = 9.8 m/s2  We know that the the expression for time of flight is t=2hG

Q: If a stone dropped from a balloon while ascending at the rate of 7.60 m/s., reaches the ground in 6…

A: The figure of the system is as given below:   According to the Newton's laws of motion , the…

Q: Ironman steps from the top of a tall building. He falls freely from rest to the ground a distance of…

A: Let the bottom of the building be the origin.  Let the velocity of the person just before it falls…

Q: Shows is the actual data from Usain Bolt’s 2009 word-record run in the 100 m sprint. From this…

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Q: An object is dropped from the top of a tower which is 178 meters high. What is the velocity of the…

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Q: velocity after two seconds

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Q: Shown below is a graph of velocity versus time for a moving object. The object starts at position x…

A: Given: The graph of velocity vs time is given. The time is t = 3 s.

Q: Two distance-time graphs and two speed-time graphs are shown. Speee/ distacoe Which graph represents…

A: The state of rest means that the velocity/speed of the particle is zero. using the definition of the…

Q: Q7: A person is at building-top (50m high). Stone fells down from his hand to reach ground. (A)…

A: s=Displacement of stone=50 mv=Final velocityu=Initial velocity=0a=g=Acceleration due to gravity=9.81…

Q: A rock dropped from the top of a building travels 30m in the last second before it hits the ground.…

A: Given data:  Rock dropped from the top of the building  Distance traveled in last second = 30 m…

Q: A football is kicked straight up into the air; it travels 98 m high. What is the speed that it left…

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Q: initial velocity - 0 km/hr final velocity - 24km/hr time - 3s What is the acceleration?

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Q: A stone of is dropped from a height of 73 meters with zero velocity. Assuming no air resistance,…

A: Given data:  Height (h) = 73 m Initial velocity (v0) = 0 m/s Acceleration due to gravity (g) = 9.8…

Q: A deer is running along the horizontal direction with a constant velocity of 14 m/s. The moment the…

A: Velocity of deer, v = 14 m/s time, t = 15 s  initial velocity of tiger, u = 4.5 m/s

Q: Average Speed totaltime A physis student drves for 20 hours going 10 mph, then spends 30 minstes not…

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Q: Cinthia drops her cell phone off a 400m tall building. How long will it take the cellphone to hit…

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Q: On new years eve, a drunk guy who is on top of a building decided throw a bottle downwards towards…

A: Given data:  Initial velocity (Vi) = 1.5 m/s Time (t) = 1.8 seconds g = acceleration due to gravity…

Q: The equation of distance as a function of time for a freely falling object is described by the…

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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.