A football player hits the 500-g ball that comes towards him at a speed of 25 m/s and sends it back in the opposite direction with the same speed. If the contact of the ball with the foot lasts for 0.25 seconds, what is the average force that the player applies to the ball?

Q: The direction of the magnetic field due to moving proton and the force direction is given out of the…

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Q: You are driving at 25m/s. In order to pass a slow car, you increase your speed to 30m/s. It takes 5…

A: Given: Initial speed of car vi = 25 m/s final speed vf = 30 m/s time taken to reach final speed t =…

Q: 2. The figure shows a pin-supported member, ABD, in static equilibrium. The mass of the member is…

A: The objective of this question is to calculate the support reactions at points B and D, and to…

Q: Light travels in a straight line at a constant speed of 300,000 km/s. What is the acceleration of…

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Q: What is motion

A: To explain: Motion.

Q: How much force is needed to accelerate a 50 kg skier at 3 m/sec?

A: Write the given values with suitable variables. m=50 kga=3 m/s2 Here, m denotes the mass and a…

Q: A car is moving at a speed of 50 km/h. Its speed expresses in m/s is 25 m/s 13.8 m/s 20 m/s 30…

A: Speed of car (u) = 50 kmhr Using conversion factor : 1 km = 1000 m 1 hr = 3600 seconds

Q: Johnny drives on a freeway at a constant speed of 100nmph and in a straight line, what is happening…

A: Acceleration is the rate of change of velocity.

Q: What is the acceleration of a car that moves at a steady velocity of 100 km/h for 100 s? Explain…

A: Write the expression for acceleration.

Q: Consider the pipe assembly in the Figure below. The applied forces are defined as F1 = (100i -120j…

A: Given: The applied force is given by F→1 = (100 i^ -120 j^ + 75 k^) kNF→2 = (-200 i^ +250 j^ + 100…

Q: What is acceleration? Acceleration is a change in over time.

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Q: What force would be needed to produce an acceleration of 4m/s2 in a ball of mass 6 kq ?

A: Given value--- acceleration = 4 m/s2.  mass = 6 kg. We have to find--- force ?

Q: If a force of 10 N accelerates an object 2 m/s?, the object's mass is kg

A: Given Force on an object = 10 N acceleration of an object = 2 m/s2 We have to calculate the mass of…

Q: car travels 16 km in 12 min, calculate the speed of the car, express your answer is mph there are…

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Q: What is the weight (in Newtons) of a 19 kg object

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Q: 2,3,1

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Q: 3,1,2

A: 3) Given that the kinetic energy of the is 75000 J and mass is 330 Kg  The formula used to calculate…

Q: Is the turtle speeding up or slowing down? Why?

A: Answer  the turtle is speeding up

Q: A car has a final velocity of 10 m/s and an acceleration of 2 m/s2. If it has been moving for 8…

A: Given: The final velocity of the car is 10 ms-1. The acceleration of the car is 2 ms-2. In the…

Q: Decades describe as and 60MPH describe as 1. distance  2. time 3. speed 4. velocity  5.…

A: The Decades is a period of 10 years.  Miles per hour is the unit of speed

Q: Six slits in a diffraction grating. A set of waves is spreading out from each of the slits. Six…

A: λ=658nm

Q: Rank these speed measurements in increasing order from smallest (1) to greatest (5):   54.9 mi/h…

A: There are various speeds with different units and we have to rank these speed measurements in…

Q: The values below in boxes should be written in scientific notation: 8002 x 107 -10 1000 5 J.…

A: (i) 8002×10-10 m ⇒8002×10-10 m=8.002×103×10-10 m=8.002×10-7 m

Q: Why is it important to use proper equipment in playing badminton?

A: Investing in quality badminton equipment might be the difference between being a good player and…

Q: A bird flies 320 m south in 45s. What is the bird's speed O 0.14 m/s south 7.1 m/s 0.14 m/s O 7.1…

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Q: prave JA A -31

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Q: A cyclist, starting from rest, travels in a straight line for 10 minutes. 1. During the first 2.0…

A: Given the uniform acceleration is 0.067 m.s-2 for the first two minutes. Therefore the velocity for…

Q: How far is your friend's house in New York if it takes you 5 hours to get there and your speed is 35…

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Q: fest near in the first 3.0 seconds after it is released, what is down a snow-covered hill that makes…

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Q: What force would be needed to produce an acceleration of 4m/s² in a ball of mass 6 kq ?

A: Given data : Mass is represented by m Acceleration is represented by a   Required : Force

Q: What is the weight of an object (on earth) that has a mass of 45 kg?

A: Given data The mass of the person is an object as m = 45 kg.

Q: If the applied force on an object is 30 N and accelerates it at 3 m/s2, what is the mass of the…

A: According to newton's second law force on the object is equal to multiplication of mass and…

Q: What is the force required to bring the aircraft to a safe halt? (in N)?

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Q: If the acceleration of an object is 6 m/s2, how much does the object’s velocity change each second

A: Given: The acceleration of the object is 6 m/s2. The time difference is 1 s. Introduction: The rate…

Q: A car is moving on a straight road 8 m/s. It is acceleration at 22 m/s². What will be it's velocity…

A: Given data :                     Acceleration     =     a                    Initial velocity    =…

Q: What force would be needed to produce an acceleration of 4m/s2 in a ball of mass 6 kq ?

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Q: A 39.5 kg mg child on a sled slides down a hill reaching a speed of 8.92 meters per second how high…

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Q: A car begins from rest and reaches a speed of 20 m/s in 5 seconds. The acceleration of the car is…

A: Given data:  Initial velocity (u) = 0 m/s Final velocity (v) = 20 m/s Time (t) = 5 s Required:…

Q: How large of a net force is required to accelerate a 1,592 kg car from rest to a speed of 13.7 m/s…

A: According to Newton's second law F = ma

Q: A bicycle moves from rest to 7.0 m/s in 3.6 seconds. What was the acceleratioll! Your Answer: Answer…

A: Given, initial velocity of bicycle  = 0 m/sfinal velocity of bicycle = 7.0 m/stime = 3.6sWe know…