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Suppose you want to detemine the electrical field in a certain region of space. You have a small object of known charge and an instrument that is measures the magnitude and direction of the force exerted on the object by the electrical field.
a. The object has a charge of +20.0µC and the instrumental indicates that the electrical force exerted on it is 40.0 µN, due east. What are the magnitude and direction of the electrical field?
b. What are the magnitude and direction of the electrical field if the object has a charge of -10.0 µC and the instrument indicates that the force is 20.0 µN, due West?
A jet airplane in level flight has a mass of 8.65 104 kg, and the two wings have an estimated total area of 94.0 m2. what is the speed of the air over the wings
What is the direction of proton after the collision? What is the direction of carbon atom after the collision.
In a movie, a person is supposed to jump with a motorcycle from the roof of one skyscraper to another one. what minimum initial speed would she need to make the jump
One fish leaps with an initial velocity at the water surface of 12.5m/s at an angle of 33.0 degrees above the horizontal
A 0.88 kg mass attached to a vertical spring of force constant 196 N/m oscillates with a maximum speed of 0.40 m/s. Find the following quantities related to the motion of the mass.
the froghopper philaenus spumarius holds the world record for insect jumps. when leaping at an angle of 58.0degree
What is the (a) magnitude and (b) angle (measured relative to the positive direction of the x axis) of the asteroid's acceleration.
A car is parked on a steep incline, making an angle of 37.0° below the horizontal and overlooking the ocean, when its brakes fail and it begins to roll. Starting from rest at t = 0, the car rolls down the incline with a constant acceleration of 3...
1. suppose a room is divided into the front one fifth the middle two fifths and the back two fifths. what is the ratio
An amusement park ride called the Rotor consists of a room in the shape of a vertical cylinder (1.98 m inradius) which, once the riders are inside, begins to rotate,forcing them to the wall. When the room reaches a speed of onerotation every 1.56 ..
A current travels northwards along a power line, in the downwards magnetic field of the earth. In which direction will the magnetic force on the wire be directed
A 2.4 m long pendulum is released from rest when the support string is at an angle of 25° with the vertical. What is the speed of the bob at the bottom of the swing
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