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A golf ball of mass 0.045 kg is hit off the tee at a speed of45 m/s. The golf club was in contact with the ball for 5.0 x10-3 s. Find
(a) the impulse imparted to the golf ball,and
(b) the average force exerted on the ball by the golfclub.
Students in a fraternity house want to be able to spray water 25 m across their neighbor's yard onto a patio. What size nozzle do they need
An aging coyote cannot run fast enough to catch a roadrunner. He purchases on eBay a set of jet-powered roller skates, which provide a constant horizontal acceleration of 15.0 m/s2. The coyote starts at rest 70.0 m from the edge of a cliff at the ins..
An object 1.40 cm high is held 3.00 cm from a person\'s cornea, and its reflected image is measured to be 0.167 cm high. Find the magnitude of the radius of curvature of the convex mirror
A muon and an antimuon are moving in opposite directions with velocities of -0.4 c and 0.4 c, respectively. When they collide, they can annihilate each other and turn into two photons. Both muon and antimuon have a mass of 105.66 MeV/c2.
In a certain series RLC circuit being driven at a frequency of 60.0 Hz, By what phase angle does the current lag the generator emf
Absolute zero is only theoretical because
Calculate the least velocity of projection required to give amissile a horizontal displacement of 500m if the angle ofprojection is 24 degrees
a motor starts from rest with an angular acceleration of 12. rad/s ^2 what is the motor angular speed 4.0s later? how many revolutions does it make in this period of time
What is the difference in blood pressure ({rm mm-Hg}) between the top of the head and bottom of the feet of a 1.80-{rm m}-tall person standing vertically.
A dolphin locatedin sea water at a temperature of 25°C emits a sound directedtoward the bottom of the ocean 200 mbelow. How much time passes before it hears an echo
You somehow manage to get a gold ring with inner diameter 2.19 cm stuck on your finger, even though your knuckle has a diameter of 2.2 cm. To what temperature would you have to heat the ring
A very long insulating cylindrical shell of radius 6.70cm carries charge of linear density 8.60 Nc spread uniformly over its outer surface. What would a voltmeter read
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