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A 0.150kg glider is moving to the right (+x) on a frictionless, horizontal air track with a speed of 0.80m/s. It has an elastic collision with a 0.300kg glider moving to the left (-x) with a speed of 2.20m/s.
a) What is the initial momentum of each glider? Express the momentum in terms of unit vectors.b) Find the velocity (magnitude and direction) of each glider after the collision.c) Show that kinetic energy is conserved
Fleas can jump quite high; experiments show that they reach an altitude of 130 times their own height when they jump vertically! Suppose instead that a flea can jump, What is the take-off speed for this flea
An object is placed 11.7 cm to the left of a diverging lens of focal length -5.81 cm. Find the distance d that places the final image at infinity
A coil has resistance R=8Ohms and inductance L=5milliHenries and is powered by a generator with variable frequency and maximum voltage V = 10Volts.
q1. a small metal sphere carrying a net charge of -2.70 is held in a stationary position by insulating supports. a
Your adventurous friend Lola goes bungee jumping. She leaps from a bridge that is 100 m above a river. What is her height above the river at her lowest point
Rock 1 is thrown straight down from a tower. Rock 2 is thrown straight up from the same height at the same speed as rock 1. find which rock will have the greatest speed
A rifle bullet is fired horizontally off the top of an ocean-based drill site. If the air resistance is negligible and the vertical distance to the water is 35 m, what additional information is needed to determine the time required for the bullet ..
a 26-cm-long wire with a linear density of 15 gm passes across the open end of an 87-cm-long open-closed tube of air.
an electrically neutral thin square metal slab measuring 5.00 cm on a side is placed in a uniform external field that
a stone with a mass of 0.80 kg is attached to one end of a string 0.90 m long. Find the maximum speed the stone can attain without breaking the string
an airplane is flying in a horizontal circle at a speed of 510.6 kmh. the plane is banked for this turn its wings
A helicopter is ascending vertically with a speed of 5.02m/s. At a height of 140m above the Earth, a package is dropped from the window. How much time does it take for the package to reach ground.
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