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Q1. A .3kg baseball travelling at 48 m/s approaches a waiting batter. When the ball is hit, its back, sailing away at 80 m/s. conclude the magnitudes of its initial and final moment?
Q2. Mars Rover When the Mars rover was deployed on the surface of Mars in July 1998, radio signals took about 14 {rm min} to travel from Earth to the rover. How far was Mars from Earth at that time?
Q3. A moth at about eye level is 13 cm in front of a plane mirror; you are behind the moth, 28 cm from the mirror. For what distance should you focus your eyes to see the image of the moth in the mirror; that is, what is the distance between the eyes and the apparent position of image?
What is the linear speed of the phonograph needle
The latent heat of fusion
What is the magnitude of the runner's total displacement . What is the phase difference between the two waves next they reach the observer.
If a metal wire carries a current of 23.0 mA, how long does it take for 12.0×1020 electrons to pass a given cross-sectional area anywhere along the wire? The magnitude of the charge on an electron is 1.6 × 10-19 C.
Illustration on Eratosthenes' process
An average force of 201 N is exerted to draw the string back 1.3 m. unless otherwise directed, imagine that air resistance is negligible. Illustrate energy bar graphs to solve the difficulty .
Introductory Mechanics: Calculate the smallest coefficient of static friction
A uniform density cube of mass m, side 2b, and center at C is placed on a fixed horizontal cylinder of radius r and center O in Earth's gravitational field. The cube is originally put so that C is centered above O, but it can roll from side to side w..
Question on center of gravity Discover speed of each block
What is the flux of Zn moving down the rod? Write down all your assumptions (hint: you will need to look up the density of copper. You do not need to account for the variation in density with alloy composition). Clarify what the boundary conditions w..
Analyse average density of the white dwarf
What magnitude of charge must be given to the drop
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