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Each grid in the diagram below measures 2 cm in the horizontal direction and 10 cm in the vertical direction.
What are the x and y components of the vector shown by the blue arrow in the diagram?
A police officer w/a radar gun is parked 20 feet off of the highway. The radar gun reads 75 mph when the car is 100 feet from the police car (as measured along the highway). what is the actual speed of the car?
A 3.0 kg block of aluminum isheated from 20°C to 90°C at atmospheric pressure. Find the work done by the aluminum
A rope is utilized to pull a 3.57 kg block at constant speed 4.86 m along a horizontal floor. The force on the block from the rope is 7.82 N and is directed 15° above the horizontal. What is the work done by the rope's force?
The starter motor of a car engine draws an electric current of 27.0 A from the battery. The copper wire to the motor is 5.90 mm in diameter and 1.22 m long. What is the current density in the wire
An object with a charge of +29 µC is placed at the origin. Another object with a charge of +48 µC is placed a distance of +47 cm from the first object along the x axis. what is the change in the potential energy
a dog in an open field runs 10.0m east and then 27.0m in a direction 55.0 degrees west of north. please show steps in
Two infinite positively charged plates with a uniform chargedensity of 6.80 μC/m2 are placedparallel to the yz-plane with one plane passing through x = 0.65cm and the other through x = -0.65 cm, as shownin the diagram below.
A block is released from the top of a frictionless incline plane as pictured above. calculate how fast it is moving at the bottom using Conservation of Energy
A rectangular loop of 250 turns is 20.8 cm wide and 16.5 cm high. What is the current in this loop if the maximum torque in a field of 0.410 T is 23.1 N·m
Two stationary positive point charges, charge 1 of magnitude 3.50nC and charge 2 of magnitude 2.00nC, are separated by a distance of 42.0cm. What is the speed vfinal of the electron when it is 10.0cm from charge 1
Two strings identical in length and made of the similar material are subjected to tensions in the proportion of 1 to 4; If they vibrate at the equal frequency, explain how do their diameters compare
q1. two balls of masses 43kg and 65kg are suspended. the lighter ball is pulled away to a 66 angle with the vertical
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