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The two spacecraft fly away from Earth, traveling in precisely opposite directions. As evaluated by an observer on Earth, spacecraft A travels at a speed of around 0.392c and spacecraft B travels at
The maximum electric field 8.3 m from a point light source is around 2.7 V/m. Determine (i) the maximum value of the magnetic field in Tesla and (ii) the average intensity of light there in W/m^2?
Four uniform spheres having masses mA = 550 kg, mB = 200 kg, mC = 1800 kg and mD = 100 kg, encompass (x, y) coordinates of (0, 50 cm), (0, 0), (-80 cm, 0) and (40 cm, 0), correspondingly. Find out t
A small metal sphere carrying a total charge of q1= -2.8C, is held in a stationary position through insulating supports. A second small metal sphere, having a total charge of q2 = -7.8C with a mass
A plum is positioned at coordinates (-3.36 m, 0, 3.40 m). In unit-vector notation, find out the torque about the origin on the plum when that torque is due to a force whose only component is (i) Fx
An air-filled parallel-plate capacitor consists of a capacitance of 2.1 pF. The separation of the plates is twice, and wax inserted among them. The new capacitance is 2.6 pF. Determine the dielectr
Determine the mechanical benefit of a 15 m long inclined plane which is three m higher on one end than on the other.
The two bodies are now released. Explain the motion of the center of mass and find out its acceleration.
A circular hole of 1.25 cm in diameter is cut in the side of a large water tank, 20.0 m beneath the water level in the tank. The top is open to the air. Compute: i) The speed of efflux. ii) The volu
You find that 30 Newton of force is required to move a chair. When you move the chair 8 meters, determine how much work will you do.
You wish for to form an image which is 10 meters from an object. This image is to be inverted and half the height of the object. You wish for to accomplish this by employing one spherical mirror. F
(i) Determine the rms speed of the N2 molecules in air at 3.0° C and 1.00 atm. (ii) Determine the rms speed of the O2 molecules in air at 3.0° C and 1.00 atm.
Determine the net translational kinetic energy of the gas molecules of around 0.460 mol of air at atmospheric pressure which occupies a volume of 5.00 L (0.00500 m3)?
When the incline consists of a coefficient of kinetic friction of 0.100. Compute the raise in the kinetic energy of the box?
A car of 2000 kg accelerates from rest to a velocity of 20 m/s in 10 seconds. Find out the power of the engine throughout this acceleration?
Determine what volume would the oxygen occupy at atmospheric pressure (and the similar temperature)?
An airplane consists of a mass of around 30,000 kg and travels at 300m/s. When the drag force is 1000 N, determine the power the engines have to provide to keep flying?
A diver increases quickly to the surface from a 5.0 m depth. When she didn’t exhale the gas from her lungs before rising, by what factor would her lungs enlarge?
Assume that you are in an open field where two loudspeakers are set up and joined to the similar amplifier so that they emit sound waves in phase at 688 Hz. Take the speed of sound in air to be 344
A light source, S, is positioned 2.0 m beneath the surface of a swimming pool and 1.5 m from one edge of the pool. The pool is filled with water (having n =1.33) to its top. i) Determine at what ang
A 80 mm focal-length lens is employed to focus an image on the film of a camera. The maximum distance allowed among the lens and the film plane is around 120 mm. How far ahead of the film must the l
A cylinder in a car engine takes Vi = 4.50 x 10-2 m3 of air into the chamber at 30° C and at atmospheric pressure. The piston then compresses the air to 0.100 times of the original volume (0.100
Compare your answer with the case where the expansion of the glass was not considered. Determine by what percentage has the answer altered if the expansion of the glass is considered?
When the temperature of the water increases to 31.0° C before the swimmer reaches for the glass, determine how much water will have spilled over the top of the glass? Suppose the glass doesn&rsq
The 4 tires of an automobile are inflated to a gauge pressure of around 2.2 x 105 Pa. Each tire consists of an area of 0.023 m2 in contact with the ground. Find out the weight of the automobile.