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A ball which has a mass of 3.35 kilogram, is thrown straight up from the ground with an initial velocity of 55.0 m/s
a. Find how long will it take for the marble to reach the floor?
b. Find the initial velocity of the marble as it leaves the launching device?
c. Find the horizontal and vertical velocity of the marble as it reaches the floor?
d. Find the direction and magnitude of the velocity of the marble as it reaches the floor?
Where are the majority of older, metal-poor stars found in the Milky Way galaxy? The center of our Milky Way Galaxy can be observed most easilyat which of the following electromagnetic wavelengths? A spiral density wave refers to a region of enhanced..
After you pick up a spare, your bowling ball rolls withoutslipping back toward teh ball rack with a linear speed of v = 3.36m/s. What is the linear speed of the ball when it reaches the top of the ramp
A baseball is thrown up from ground level at a speed of 256ft/s: What is the acceleration at the highest point in ft/s2
A skier leaves the starting gate at the top of a ski jump with an initial speed of 4 m/s. the starting position is 120 m higher than the end of the ramp, which is 3 m above the snow. FIND THE FINAL SPEED of the skier if he lands 145 m down the 20 deg..
An FM radio station broadcasts electromagnetic waves at a frequency of 550 kHz. Calculate the wavelength of the waves.
A lead bullet (? = 11.3 X 103 kg/m3) is placed in a pool of mercury (? = 13.6 X 103 kg/m3). What fractional part of the volume of the bullet is submerged
512 g of an unknown metal at a temperature of 15 degrees celsius is dropped into a 100 g aluminum container holding 325
An object carries a charge of -8.0 microC, while another carries a charge of -2.0 microC. How many electrons must be transferred from the first object to the second
Two equal positive charges of magnitude q1 = q2 = 6 nC are on the y axis at y1 = +3 cm and y2 = -3 cm. (a) What is the magnitude and direction of the electric field on the x axis at x = 6 cm? b) What is the force exerted on a third charge q0 = 4 n..
Remember that the distance relationship is s = s0 + v0 t = 1/2 a t^2 An object falls freely from rest on a planet where the acceleration due to gravity is 20 m/s/s.
early cameras were little more than a box with a pinhole on the side opposite the film. a what angular resolution would
Problem: A weather balloon is designed to expand to a maximum radius of 20m at its working altitude, where the air pressure is 0.030 atm and the temperature is 200 K. If the balloon is filled at atmospheric pressure of 300 K, what is the radius at li..
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