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A 100 kg fullback is running at 3.2 m/s to the east and is stopped in 0.75 s by a head-on tackle by a tackler running due west.
(a) Calculate the original momentum of the fullback.
_____kg·m/s
Is it east south north west
(b) Calculate the impulse exerted on the fullback.
______ kg·m/s
Is it north east south west
Calculate the impulse exerted on the tackler.
____kg·m/s
Is it north west south east
Calculate the average force exerted on the tackler.
______N
Is it north west east south
A 124-kg balloon carrying a 22-kg basket is descending with a constant downward velocity of 28.9m/s A 1.0-kg stone is thrown from the basket with an initial velocity of 10.1 m/s perpendicular to the path of the descending balloon
You are shining ultraviolet light on a gas of an unknown element. You know that an electron starts in a ground state with an energy of -18.20 eV. What is the energy of the first photon emitted
how much heat transfer is req to raise the temp of a 0.750 kg al pot containing 2.50 kg of water from 30C to the boiling point and then boil away 0.750kg of water
A 4.4 x 10^14 Hz laser emits a 2.1 mS pulse, 5.0 mm in diameter, Calculate the number of wavelengths in the length of the beam
calculate the expectation value of the x position of a particle known to be in a state n 3 of a 1d box of length l.
A 10 cm long solenoid with 222 turns and radius R = 3.00 cm has a current flowing through it of Io = 200 mA. What is the magnetic field strength inside the solenoid
three resistors are connected in series across a 19-v power supply. if the potential drop across resistors 1 and 2 are
Tarzan, King of the Jungle (mass = 70.4 kg), grabs a vine hanging from a tree branch. He is 4.80m off the ground when he grabs the vine. How high will Tarzan and Jane swing
If the particle is sent back through the magnetic field (along the same initial path) but with 1.66 times its previous kinetic energy, how much time does it spend in the field during this trip
The puck in figure has a mass of .135 kg. If its original distance from the center of rotation is 31.2 cm, Determine the work put on the puck
Research suggests that the electric fields in some thunderstorm clouds can be on the order of 10 kN/C. Compute the magnitude of the electric force acting on a particle with two excess electrons in the presence of a 10.0-kN/C field.
An isolated conductor of arbitrary shape has a net charge of +1.10×10-5 C. Inside the conductor is a cavity within which is a point charge q = +4.40×10-6 C. obtain the charge on the outer surface of the conductor
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