An unwary football player collides with a padded goalpost while running at a velocity of 6.50 m/s and comes to a full stop after compressing the padding and his body 0.250 m. (a) How long does the collision last? (b) What is his deceleration in m/s2?

Q: An unmanned SpaceX rocket is fired off the launchpad in south Texas on a mission to the…

A:

Q: Two motorcycles are at rest and separated by 7.5 m. They start at the same time in the same…

A: Initial velocity of each motorcycle (u) = 0 msacceleration of the motorcycle at the back (a1) = 1…

Q: A child (20kg) is at rest on a wooden raft (100kg) that's also at rest. The child decided to jump in…

A:

Q: My sable-colored Siberian husky, Samba, loves to run after huge objects (for instance, tree…

A: According to the Newton's laws of motion , the distance travelled is calculated by using the formula…

Q: A 54.0-g Super Ball traveling at 29.0 m/s bounces off a brick wall and rebounds at 21.5 m/s. A…

A: The mass of the ball is 54.0 g. The velocity of bounce back of the ball is 29.0 m/s. The velocity of…

Q: A police jeep on a petrol duty on a national highways was moving with a speed of 54km/hr . In the…

A: Given that Speed of the police jeep = 54km/h Now we will convert the speed from kilometers to meters…

Q: 12–13. Tests reveal that a normal driver takes about 0.75 s before he or she can react to a…

A:

Q: In 1992, a 14 kg meteorite struck a car in Peekskill, NY, leaving a 20-cm-deep dent in the trunk.…

A: The specific equation of motion you use depends on the nature of the motion and the forces involved.…

Q: A 50.0-g Super Ball traveling at 28.5 m/s bounces off a brick wall and rebounds at 21.5 m/s. A…

A:

Q: An unwary football player collides with a padded goalpost while running at a velocity of 6.50 m/s…

A:

Q: My sable-colored Siberian husky, Samba, loves to run after huge objects (for instance, tree…

A:

Q: A 54.0-g Super Ball traveling at 27.5 m/s bounces off a brick wall and rebounds at 18.0 m/s. A…

A: mass of super ball (m) = 54 g = 0.054 kg Initial velocity (u) = 27.5 msFinal velocity (v) = -18…

Q: A  72kg hockey player skating due east at 7.8m/s collides head-on with an 83kg player skating due…

A: The objective of this question is to find the velocity of two hockey players after they collide and…

Q: The pace at which a caterpillar climbing a leaf slows from 0.85 cm/s to 0.42cm/s is -0.02cm/s5. How…

A:

Q: A car with good tires on a dry road can decelerate at about 4 m/s² when braking. Suppose a car is…

A: Given data:  Acceleration (a) = -4 m/s2 Initial velocity (u) = 59 mi/h Final velocity (v) = 0 m/s…

Q: 6. A rocket is to be fired vertically upward. The initial mass is Mo, the exhaust velocity -u is…

A: Rocket is an example of the system of variable mass. The mass of the rocket including fuel is…

Q: A baseball imass 0.145kg) traveling to the left at 27m/s. It is hit by a bat and ends up traveling…

A:

Q: What is the p of a man of mass 75 kg when he walks with a uniform velocity of 2 m/s.

A: Given data:  Mass (m) = 75 kg Uniform velocity (v) = 2 m/s Required: Momentum (P)

Q: An unwary football player collides with a padded goalpost while running at a velocity of 7.50 m/s…

A:

Q: How much fuel does a 3000 t rocket use in the first second after takeoff, if is its acceleration…

A:

Q: Plsssssssssssss help, so sorry for the trouble

A: The objective of the question is to understand the concept of conservation of momentum and apply it…

Q: A hammer of mass m = 0.475 kg is moving horizontally at a velocity of v = 6.5 m/s when it strikes a…

A:

Q: If a rocket with an initial velocity of 600 m/s Accelerates at 20 m/s2  for one minute, what will…

A: An initial velocity of the rocket,Acceleration of the rocket,Time taken

Q: You stand on a top of a lighthouse while your friend is on the ground outside. You peered into the…

A: Let us consider the person standing at top of the light house be A and that standing on the ground…

Q: a 9.2kg block of wood resting on a platform was hit by a 32g of bullet traveling upward with a speed…

A:

Q: A 50.5-g Super Ball traveling at 29.5 m/s bounces off a brick wall and rebounds at 15.5 m/s. A…

A:

Q: An outfielder throws a baseball to his catcher in an attempt to throw out a runner at home plate.…

A: Given information: Ball should be throw with one bounce speed after the bounce is one half of the…

Q: 2. A marble (50 gm) is moving initially at 10cm/s before striking a resting puck (0.5kg) head on.…

A:

Q: On September 15, 1896 in near Waco, Texas, William George Crush parked two locomotives at opposite…

A: Given that: W=1.2×106 Na=0.26 m/s2do=6.4 km=6400 m

Q: A car moving in a straight line starts at xx = 00 at tt = 00 . It passes the point xx = 20.0 mm with…

A: The average velocity is, v=average displacementtime interval

Q: A car moving at 25m/s makes a head-on collision with an identical car that is at rest. They combine…

A:

Q: An indestructible bullet 2.00 cm long is fired straight through a that is 10.0 cm thick. The bullet…

A: Average acceleration refers to the rate at which the velocity changes. Here, we calculate  the given…

Q: A pendulum bob is raised to a height 4.0cm and released from rest . What will be the velocity of the…

A:

Q: An initially stationary iron ball is dopped from rest inside of a steel drum containing a liquid.…

A:

Q: An unwary football player collides with a padded goalpost while running at a velocity of 6.50 m/s…

A: Given data:  Initial velocity (Vi) = 6.50 m/s Final velocity (Vf ) = 0 Compression (x) = 0.350 m

Q: This time particle A starts from rest and ac- celerates to the right at 72.5 cm/s. Particle B starts…

A:

Q: A rocket begins at rest in outer space.  Its thrusters ignite and it accelerates at 7 m/s2 for 41 s.…

A: The acceleration is defined as 7 m.s-2 for the time 41 s. Let us assume the rocket is at rest…

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.