As a result of the collision, the second cart acquires a speed of 2.4 m/s

Q: Calculate the velocity of a coin if it starts from rest and freely falls for 1.07 sec.

A:

Q: Conclusion of velocity, instantaneous velocity, acceleration, and instantaneous acceleration.

A: solution as

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A: Given mass of super ball = m = 50.0 g = 0.050 kg initial velocity of super ball = u = 25.0 m/s…

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A:

Q: A 50.0-g Super Ball traveling at 29.5 m/s bounces off a brick wall and rebounds at 21.0 m/s. A…

A: The ball's motion is uni-directional Assuming that the direction of rebound is +x(positive) axis…

Q: A 50.0-g Super Ball travel- ing at 25.0 m/s bounces off -3- Figure P2.20 a brick wall and rebounds…

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Q: Which statement best describes the motion of the car over the 20 seconds?

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Q: A bicycle is travelling along a straight road. At a certain moment its velocity is -7.5 m/s and its…

A: Given values - vi=-7.5 msa=-2.5 ms2t=2.3 s

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Q: Lebron bikes 800 m to the left in 25 s. What was his average velocity in -? Answer using a…

A:

Q: A bicycle is travelling along a straight road. At a certain moment its velocity is  -7.5m/s and its…

A: Given, u=-7.5 m/sa=-2.5 m/s2t=2.3 s

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A: According to first equation of kinematics -  vf=vi+at Given values-  vf=3.809 msvi=32.92 mst= 1.55 s…

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A:

Q: A world record was set for the men’s 100-m dash in the 2008 Olympic Games in Beijing by Usain Bolt…

A: According to kinematics, If speed v is uniform along the motion, then position of particle x at any…

Q: Find inital velocity of car given that final velocity is zero . The car is retarding at 3 m/s2.…

A: Given  final velocity (vf)=0 m/s retardation(a)=-3 m/s2 time (t)=15 s Required initial velocity…

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A:

Q: Consider a car moving in the positive direction with an initial velocity of 31 m/s slows down at a…

A: Write the given values with suitable variables. u=31 m/sa=-4.5 m/s2t=4 s Here, u denotes the car's…

Q: A 50g superball traveling at 25m=s bounces o  a brick wall and rebounds at 22m=s. A high-speed…

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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: An initially motionless test car is accelerated uniformly to 105 km/h in 8.53 s before striking a…

A:

Q: A uniformly accelerated car takes 10.0 s to cover 500m and another 6.0 s to cover the next  500 m.…

A: (b) The initial velocity of the car first half is, vi=dt=500 m10 s=50 m/s (a) The final velocity of…

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Q: A 50.0-g Super Ball travel- ing at 25.0 m/s bounces off -3- Figure P2.20 a brick wall and rebounds…

A:

Q: A soft tennis ball is dropped onto a hard floor from a height of 1.85 m and rebounds to a height of…

A: The initial height of the tennis ball is, h=1.85 m The rebound height of the tennis ball is, h'=1.41…

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A: Given data:  Reaction time (t) = 0.75 s Initial velocity (v0) = 20 m/s Acceleration (a) = -8.0 m/s2…

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A: Given  Initial velocity u = 75 mph = 33.528 m Final velocity v = 0 s = 500 feet = 152.4 m We know,…

Q: Find the car's average velocity for the following time intervals: Time interval [1,3] feet/ second…

A: The average velocity between the time interval [1,3] is,   v=x3-x1t3-t1v=71 feet-16 feet3 seconds-1…

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A: Given : Initial speed of truck (vi) = 10 m/s Distance traveled by truck (s) = 500 m Time (t) = 13…

Q: Car moving with velocity 30 m/s. If the driver press the break then the car slow down by 6 m/s^2.…

A: Given : vo = 30 m/s a = -6 m/s2 (negative because car slows down)

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A: Given data: Mass of the soccer player mS=60 kg Mass of the ball mB=0.45 kg Speed of the ball before…

Q: True or False? Consider carts colliding on a straight level track. It is impossible for two…

A: Required : True or False.

Q: Car B is traveling a distance d ahead of car A. Both cars are traveling at 60 ft/s when the driver…

A: We use the equations of motion to solve this question. v = u+at s = ut+12at2 Here, u is the…

Q: It was reported in World War I that a pilot flying at an altitude of 2 km caught in his bare hands a…

A: It is physically possible for this to happen. Suppose the bullet was shot from a position below the…

Q: A 50.0-g Super Ball travelling at 25.0 m/s bounces off a brick wall and rebounds at 22.0 m/s. A…

A: Given data: Mass (m) = 50.0 g Initial speed = 25.0 m/s Final speed = 22.0 m/s, opposite to initial…

Q: Two horses start from rest and are 70m apart. Horse 1 has an acceleration of 0.2m/s^2 and horse 2…

A: Two horses start from rest and are 70m apart. Horse 1 has an acceleration of 0.2 m/s2. horse 2 has…

Q: Consider the graph shown. Which of the motions is consistent with the graph? time velocity

A: Slope of velocity time graph represents acceleration.  Acceleration is the rate of change of…

Q: Using the method of increments find the instntaneous speed of a falling object after it has fallen…

A: If we consider this case as free fall, we can say that the initial velocity of the falling object is…

Q: A 50.0-g Super Ball traveling at 30.0 m/s bounces off a brick wall and rebounds at 16.0 m/s. A…

A: Finding the magnitude of the average acceleration of the ball:Given information:The initial velocity…

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A: Acceleration is defined s the rate of change of velocity. Velocity is defined as the rate of change…

Q: Describe the motion of an object in free fall What is the final velocity of a ball dropped into free…

A: Given information: The initial velocity of the ball (u) = 0 m/s The acceleration of the ball (a) = g…

Newton's First Law of Motion

If a very smooth ball is rolled down an inclined surface with zero friction, the ball will continue to roll indefinitely for an infinite time, in an attempt to reach to the same height on the opposite hill!