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you are handed an apple that has a mass of 102g. to get a better of idea of what different pressure feel like, you rig up several system where the force of the apple is distributed over objects of different sizes.
1- you stick a square-ended toothpick into the apple and balance it on your own finger. what is the pressure of the apple ( in units of Pa, psi, and atm) that you feel on your finger?
A 4.20kg steel ball strikes a wall with a speed of 7 m/s at an angle of 60° with the surface. It bounces off with the similar speed and angle. If the ball is in contact with the wall for 0.20 s, what is the average force exerted by the wall on bal..
A ball rolls across a floor with an acceleration of 0.100 m/s2 in a direction opposite to its velocity. What was the initial speed of the ball
A loop of diameter d = 10 cm, carrying a current I = 0.2 A is placed inside a magnetic field = 0.3 T. Calculate the magnitude of the torque on the loop
An elastic cord is 64 cm long when a weight of 56 N hangs from it and is 69 cm long when a weight of 83 N hangs from it. What is the "spring" constant of this elastic cord.
find the combined mass of the dog and basket. chandelier with mass is attached to the ceiling of a large concert hall by two cables.
The following takes place with inelastic collision. Ball 1 travels up with a mass of 3 Kg and a velocity of 20 m/s. How high do the balls travel after the collision
A bullet is shot out of a gun with a 61 cm barrel at a speed of 410 m/s into a block of wood. The bullet enters the wood 13 cm. Illustrate what force does the block exert on the bullet? What is the time it takes?
A spring of constant 3.00 x 10^4 N/m is between a rigid beam and the output piston of a hydraulic lever. An empty container with negligible mass sits on the input piston. The input piston has Areai and output piston has area 18 A.
A block of unknown mass is attached to a spring with a spring constant of 6.00N/m and undergoes simple harmonic motion with an amplitude of12.5cm. Calculate the maximum acceleration of the block
A 11.0nC point charge is at the center of a 2.50m× 2.50m × 2.50m cube. find the electric flux through the top surface of the cube
David is driving a steady 21.0 when he passes Tina, who is sitting in her car at rest. Tina begins to accelerate at a steady 2.70 at the instant when David passes. How far does Tina drive before passing David.
An extreme distance runner is having an easy training day and runs 34 km west over 3 hours, Calculate his/her distance, displacement, speed and velocity for the entire training session
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