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Solve the following questions:
Question I: If car A is at 40 km/h and car B is at 10 km/h in the opposite direction, what is the velocity of the car A relative to the car B?
Question II: If you are walking at constant velocity of 8 km/h and a car passed you by at the speed of 30 km/h from behind, what is the car's velocity from your viewpoint?
Question III: If car A is at 70 km/h and car B is at 50 km/h in the same direction, what is the velocity of the car A relative to the car B?
Question IV: If a car moves 12 km North, 19 km East, and 12 km South, what is its displacement?
Question V: Acceleration is the measure of the change in what?
Please show your results in detailed calculations.
Two identical +45.3 nC point charges A and B, with masses of 3.0*10^-9 kg each, are fixed in place with a distance of 2.54 cm between them. Calculate the speed of charge B when it has reached a distance of 3.68 cm away from charge A
q1. an aging coyote cannot run fast enough to catch a roadrunner. he purchases on ebay a set of jet-powered roller
Calculate the volume of a piece of glass and a similarpiece of metal at 0 degrees C. Then do the calculation againat 80 degrees C. This would replicate a glass jar with ametal lid being taken out of the refigerator (which weapproximate with a 0 de..
A certain brand of hotdog cooker works by applying a potential difference of 142 V across opposite ends of a hot dog and allowing it to cook by means of the thermal energy produced.How much electrical energy is transferred to thermal energy.
A turntable rotates with a constant 2.00 rad/s2 angular acceleration. After 4.80 s it has rotated through an angle of 54.0 rad. What was the angular velocity of the wheel
A baseball player hits a triple and ends up on third base. A baseball "diamond" is a square, What is the magnitude of his displacement
A child of mass 47 kg jumps onto the edge of a merry-go-round of mass 155 kg and radius 1.7 m that is initially at rest, What is the angular velocity of the merry-go-round plus child after the child jumps onto the merry-go-round
Reply in m/s. Also, why does the car's mass not matter.
A firkin is an old British unit of volume equal to 9 gallons. How many cubic meters are there in 6.06 firkins
On the moon the surface temperature ranges from 397 K during the day to 92.0 K at night. What are these temperatures on the Fahrenheit scale
A 200-turn circular loop of radius 55 cm is vertical, with its axis on a line running east to west. What is the magnitude of the torque on the loop
A laser used in a holography experiment has an average output power of 5.25 mW. Calculate the energy (in joules) radiated with each pulse
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