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Assume that you have two objects, one with a mass of 10 kg and the other with a mass of 16 kg, each with a charge of -0.029 C and separated by a distance of 8 m. What is the electric force that the
The mass of the motor is four times the mass of the module. What is the speed (in km/h) of the command module relative to Earth just after the separation?
In a head-on collision, a car stops in 0.24 from a speed of 25 . The driver has a mass of 74 , and is, fortunately, tightly strapped into his seat. What force is applied to the driver by his seat b
A small current element I d, with d = 3 mm and I = 1.9 A, is centered at the origin. Find the magnetic field d at the following points.
Suppose a satellite is in a circular orbit 4.225 Earth radii above the surface of the Earth (5.225 Earth radii from the center of the Earth). By how much does it have to increase its speed in order
In a physics laboratory experiment, a coil with 200 turnsenclosing an area of 12cm2. What is the total magnetic flux through the coil before itis rotated? After it is rotated?
A 58 kg pole vaulter running at 14 m/s vaults over the bar. Her speed when she is above the bar is 1.7 m/s. Neglect air resistance, as well as any energy absorbed by the pole, and determine her alt
If the coefficient of friction between the block and the surface is 0.406, what was the speed of the clay immediately before impact?
A Ferris wheel is a vertical, circular amusement ride with radius 6 m. Riders sit on seats that swivel to remain horizontal. The Ferris wheel rotates at a constant rate, going around once in 6.5 s.
If you stand on a spring scale, showing weight, in your bathroom at home and it reads 588 N, it means that your mass is 60 kg. If instead you stand on the scale in an elevator, a) how many Newton's
Write an expression for the mass of the nucleus mnuc, in terms of the proton mass mp, the neutron mass mn and any additional terms.
Find the magnetic field at the location of the upper wire due to the currents in the two lower wires magnitude. Whats the direction.
The time constant of an RC circuit is 4.5 s. How much time t is required for the capacitor (uncharged initially) to gain one-half of its full equilibrium charge?
The water inside the pot is at 100.0 , and 0.400 are evaporated every 5.00. Find the temperature of the lower surface of the pot, which is in contact with the stove.
When it rains water vapor in the air condenses into liquid water and energy is released. How much energy is released when 0.0254m of rain falls over an area of 2.59 x 10^6 m^2? If the average energ
A 0.135 kg ball is thrown straight up from 1.94m above the ground. Its initial vertical speed is 5.60 m/s. A short time later, it hits the ground. Calculate the total work done by the force of grav
What controls the movement into and out of the cell?
The press box at a baseball park is 36.0 ft above the ground. A reporter in the press box looks at an angle of 17.0° below the horizontal to see second base. What is the horizontal distance fro
After the collision the combined object swings on the end of the cord. When the block has risen a vertical height of 0.725 , the tension in the cord is 4.66 .What is the velocity of the bullet initi
What is the another name for the tissue simple squamous epithelium?
The ramp is inclined at 32.5 ° with respect to the horizontal.The coefficient of kinetic friction between the log and the ramp is 0.872, and the log has an acceleration of 0.724 m/s2. Find the t
How do you use a punnet square to get F2 generation from F1?
Constant acceleration until reaching top speed, then maintains that speed through the finish line. If a sprinter reaches his top speed of 11.5 m/s in 2.24 s, what will be his total time?
A 200 , 45.0-cm-diameter turntable rotates on frictionless bearings at 63.0 rpm. A 19.0g block sits at the center of the turntable. A compressed spring shoots the block radically outward along a fr
Two horizontal forces, 218 N and 157 N, are exerted in opposite directions on a crate. What is the net horizontal force on the create? Be sure to indicate the direction of the net force. (Assume th