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You decide to travel by car for your holiday visits this year. You leave early in the morning to avoid congestion on the roads. This enables you to drive at a comfortable speed of 69.5 mph for 1.70 hours. however, after this time, you unexpectedly come to a stop for 37.0 minutes. Traffic starts moving again and you finish your travel at 54.2 mph for an additional 0.95 hours. How far did you travel on this trip? What was your average speed? There are 1609 meters in one mile.
F ind 3-5 different types of vacuum pumps - explain how they work - explain where you would use them - explain their operating pressure - etc... I don't have a clear idea for the vacuum pumps, for any 3-5 types of vacuum pumps.
A 8 g bullet has a speed of 180 m/s and embeds itself into a 500 g block. What is the speed of the block after the collision
A puck of mass m1 = 1.50 kg slides in a circle of radius r = 20.0 cm on a frictionless table while attached to a hanging cylinder of mass m2 = 2.50 kg by a cord through a hole in the table
When a pitcher throws a curve ball, the ball is given a fairly rapid spin. If a 0.15-kg baseball with a radius of 3.7cm is thrown with a linear speed of 48 m/s and an angular speed of 42 rad/s, how much of its kinetic energy is translational and ..
Find out the potential difference between a point.
An oil film floats on a water surface. The indices of refraction for the air, water, and oil respectively are 1.000, 1.333, and 1.466. What is the angle of the refracted ray at the oil to water surface
The Boeing 777 aircraft has a takeoff mass of 255000kg and a takeoff speed of 115m/s, What airflow speed across the top of the wing is necessary for the plane to fly
Two astronauts on opposite ends of a space ship are comparing lunches. One has an apple, the other has an orange. They decide to trade. Find the final speed and direction of the apple
The RMS speed of oxygen molecules (O2) in this room is 535 m/s. What is the temperature of the air at this location
A 56.7 cm long straight section of wire is located entirely inside a uniform magnetic field of |B| = 0.210 T. The wire is perpendicular to the direction of the magnetic field. When a current runs during the wire a magnetic force of|F| = 0.950 N acts ..
When an object such as a plastic comb is charged by rubbing it with a cloth, If that charge is 3.4 µC, by what percentage does the mass of a 35g comb change during charging
The ground state energy of a harmonically oscillating electron is 1.24 eV. How much energy should be added to the electron to move it to the second excited state.
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