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A 64 kilogram person is ice-skating due north with a velocity of 6.3 m/s when he collides with a 43 kilogram boy. The person and boy stay together and have a velocity of 3.4 m/s at an angle of 39 degree north of due east immediately after the collision. Determine
(a) the magnitude and
(b) the direction (as an angle measured from due East) of the boy velocity just before the collision?
on planet tehar the free-fall acceleration is the same as that on earth but there is also a strong downward electric
The bulk modulus for a given fluid is 1.85E+9 Pa, and the fluid density is 1000.0 kg/m3. What is the bulk modulus of this fluid
You are given a container with 5.0g of hydrogen atoms. What is the total charge on the electrons in the container? What is the total charge on the protons
Calculate the pressure exerted on the ground by a 57 kg person standing on one foot. Assume that the bottom of the person'sfoot is 13 cm wide and 28 cm long
two speakers that are in phase with each other are separated by a distance of 4.3 m and met a sound of frequency 221hz.
If the player hears the sound of the splash 3.19 s later, illustrate what was the initial speed given to the rock? Assume the speed of sound in air to be 343 m/s.
A 3.60 long, 420 steel beams extends horizontally from the point where it has been bolted to the framework of the new building under construction. A 72.0 construction worker stands at the far end of the beam. What is the magnitude of torque about the..
It's your birthday, and to celebrate you're going to make your first bungee jump. How far are you above the water when the cord reaches its maximum elongation
q1. when two tuning forks of 128 hz and 149 hz respectively are sounded simultaneously how various beats per second are
Water flows into a bucket at the rate of 0.0005 m^3 / s. Thebuckets has a hole in the bottom of area 2.5 square cm. How high above the bottom of the bucket will the water rise
the back wall of a home aquarium is a mirror that is a distance of 46.0 cm away from the front wall. the walls of the
Four Point charges have equl magnitudes, three are positiveand one is negative. Calculate the ratio of largest to smallest net force
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