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Solve the all parts of following question:
Question: A football player of mass 90 kg is running at 10 m/s and catches a football of mass ½ kg that is moving at 40 m/s in the same direction. If the player is on ice (no friction) then,
Part A: What is his final speed after catching the ball?
Part B: How much energy was lost?
Please show all work to determine his final speed after catching the ball.
The distance between neighboring singly charged sodium and chlorine ions in crystals of table salt (NaCl) is 2.82 x 10-10 m. What is the attractive electric force between the ions
Two blocks are in contact on a frictionless table. A horizontal force F is applied to m1. If m1 = 1.66 kg, m2 = 3.72 kg, and F = 6.25 N, find the magnitude of the force between the two blocks
A block of mass 10.0 kg slides from rest down a frictionless 35.0° incline and is stopped by a strong spring with k = 2.60 104 N/m. determine how far has the spring been compressed
A T-bar tow is used to pull 80 skiers up a 600-m long slope inclined at 15.0 degrees to the horizontal at a speed of 2.5m/s. Find the motor power required to run the T-bar
A particle is acted on by two torques about the origin: τ1 has magnitude 6 N m and points in the direction of increasing x, and τ2 has magnitude of 4 N m and points in the direction of decreasing y.
Ten days after it was launched toward Mars in December 1998, find the potential energy of the earth-spacecraft system
An astronaut arrives at a new planet, and gets out his simple device to decide the gravitational acceleration there. Prior to this arrival, he noted that the radius of the planet was 7040 km. If his 0.400-m-long pendulum has a period of 1.0 s, what i..
if you close the switch which quantity reaches its maximum value first current in the circuit or voltage across the
A toy airplane is tied to the ceiling with a string. When the airplane's motor is started, it moves with a constant speed of 1.03m/s in a horizontal circle. If the angle the string makes with the vertical is 27°, and the tension of the string is 1N.
assume a bar 2 m long expands 0.6 cm when heated. By how much will a bar 100 m long of the same material expand when similarly heated.
A point mass, M, is rotated at a distance R about an axis. Ifthe mass is increased to 2M, what is the new moment ofinertia? If the distance R is doubled to 2R, what is the new moment of inertia
Which is safer as a road material
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