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A runner leaves home and runs 1500 m due south. From there they turn onto a new road, and continue 2500 m at 60° north of east. What is the runner's total displacement (magnitude and direction) from home?
A 28.0-g object moving to the right at 20.0 cm/s overtakes and collides elastically with a 7.0-g object moving in the same direction at 15.0 cm/s
To estimate the muzzle speed of a blow dart, fire dart straight up into the air and time how long it takes to come back down. Roughly half of that time is the time for object to decelerate from its initial velocity to motionless. Estimation the in..
A movie stuntwoman drops from a helicopter that is 29.0 above ground and is moving with a constant velocity whose components are 8.00 upward and 18.0 horizontal and toward south. You can ignore air resistance.Where on the ground (relative to the p..
at very low signal frequencies will the maximum values of i current through the resistor and v voltage across the
An object is placed 21 centimeter from a concave mirror of radius 91 centimeter. Compute what is the magnification of the mirror
A fisherman is hauling in a fish at a speed of 0.14 m/s. The fishing line is being spooled onto a reel whose radius is 0.030 m. What is the angular speed of the reel
What is the greatest height reached by the ball? Compute the time at which the ascending ball reaches a height of 15m above the ground. A ball is thrown vertically upwards with an initial velocity of 20.72 m/s. Neglecting air resistance, how long is ..
Esperanza uses a 35-mm camera with a standard lens of focal length 70.0 mm to take a photo of her son Sam, Determine the height of the image of Sam on the film
Quotes provided: "I cling to my culture because it is my memory - and what is a poet without memory? I cling to my my culture because it is my skin, because it is my hart, because it is my voice, because it breathes my mother's mother's mother into m..
An arrow is shot vertically upward and then 2.06 s later passes the top of a tree 41.3 m high. How much longer will the arrow travel upward
Suppose the pulley had appreciable mass, such that its moment of inertia = 3kgm^2 but has no friction. Find the speed with which this bucket strikes the floor in this case.
A 100-m-long copper wire of radius 0.21 mm is connected across a 1.5-V battery. Assume the resistivity of copper is 1.7 x 10-8 Omega•m. Determine the power delivered by the battery
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