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The force has magnitude 2.0 N and is directed at a counterclockwise angle of 100° from the positive direction of the x axis. How much work is done by the force on the coin during the displacemen
The Sun emits light waves with a power of 4x1026 Watts. Determine the intensity of light waves from the sun just outside the atmospheres of Venus, Earth and Mars.
The bullet then emerges on the other side of the board with a speed of +234 m/s. Assuming constant acceleration (rather, deceleration!) of the bullet while inside the wooden board, calculate the acc
If the motion of the mass has an initial amplitude of 5.00 cm what is its maximum speed?. The amplitude decreases to 1.087 cm in 4.57 s, what is the damping constant for the system?
A sky diver, with parachute unopened, falls 631 m in 15.6 s. Then she opens her parachute and falls another 347 m in 133 s. What is her average speed for the entire fall?
There are two small objects charged that repel each other, they both have a force F and are separated by a distance d. If the charge of both objects is reduced to F/4 of their original values and th
The electric field midway between two equal but opposite point charges is 856 N/C , and the distance between the charges is 12.3 cm
The stationary ball moves off at 30° to the right of the moving ball's original direction. What is the speed of each ball after the collision?
If a block of continental crust and a block of oceanic crust are both 10 km thick and are "floating" on the aesthenosphere, how much higher is the top of the continental crust as compared to the oce
A monatomic ideal gas is thermally insulated, so no heat can flow between it and its surroundings. Is it possible for the temperature of the gas to rise? And if so how?
How much time passes between the first two instants when this particle has a displacement of y = 0.2 m?
Two loudspeakers in a 20 room emit 678 sound waves along the x-axis. What is the smallest distance between the speakers for which the interference of the sound waves is destructive?
An object is pulled west along a horizontal frictionless surface with a steady horizontal force of 12.0 N. If the object accelerates from rest to a velocity of 4.0m/s while moving 5.0m, what is the
There are two particles in the xy-plane, particle one is located at (0,0) and particle 2 at (6,4). Use your knowledge of vectors and Newton's Gravitational Force to calculate the gravitational force
A tourist being chased by an angry bear is running in a straight line toward his car at a speed of 4.3 m/s. The car is a distance d away. The bear is 21 m behind the tourist and running at 6.0 m/s.
A rocket rises vertically, from rest, with an acceleration of 2.6 m/s2 until it runs out of fuel at an altitude of 1200 m. After this point, its acceleration is that of gravity, downward. (Assume th
A motorist drives north for 32 min at 85 km/h and then stops for 15 min. He then continues north, traveling 125 km for 2.0 h. (a) What is his total displacement? (b) What is his average velocity?
A baseball leaves the bat with a speed about 45 m/s which is greater than its terminal speed in air when droppeed from rest 42 m/s. the magnitude of the drag force D=b2(2 is a subscript), where D is
A projectile fixed vertically up from a canon rises 200m before returning to the ground. If the same were to fire the same projectile at an angle, then the maximum range would be ???
At what height above the ground do the balls collide? Your answer will be a symbolic expression in terms of v(0), h, and g .
The dome of a Van de Graff generator receives a charge of 2.0 x 10^-4 C. Find the strength of the electric field (a) inside the dome, (b) at the surface of the dome assuming it has a radius of 1.0 m
Find the force exerted by these charges on a fourth charge q = +3 nC at the remaining (upper right) corner. (Assume the +x axis is directed to the right and the +y axis is directed upward.)
During the design of a loop-the-loop on a roller coaster, the designer wants to have a 75.0-kg small car just barely touching the track at the top of a loop that has a 15.0-m radius. What should be
1. In order for the golfer to have a "two putt green," determine the angle of the second putt. θ=? 2. Determine the magnitude of the second putt's displacement.