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The four tires of an automobile areinflated to a gauge pressure of 2.0 x 105 Pa. Each tire has an area of 0.024 m2 in contact with the ground. Determine the weight of the automobile.
N
In the figure below, a butterfly net is in a uniform electric fieldof magnitude E = 3.0 mN/C.The rim, a circle of radius a = 10 cm, is aligned perpendicular to the field. Thenet contains no net charge. Find the electric flux through the netting.
A vertical spring (spring constant =120 N/m) is mounted on the floor. Determine the amplitude at which the block will lose contact with the spring
An experiment determines that there are 49 allowed rotational energies for a diatomic molecule whose moment of inertia is 2 x 10^-46 kg*m^2. What is the maximum rotational kinetic energy in eV of the molecule?
A spy satellite circles the Earth at an altitude of 160 km and carries out surveillance with a special high-resolution telescopic camera having a lens diameter of 35 cm
q1. a 2.5g copper penny is given a charge of -0.50 mc.how many excess electrons make up this charge?what is the
A thin layer of magnesium fluoride (n = 1.38) is used to coat a flint-glass lens (n = 1.61). (a) What thickness should the magnesium fluoride film have if the reflection of 717-nm light is to be suppressed? Assume that the light is incident at right ..
By measuring the spectrum of wavelengths of light from our sun, we know that its surface temperature is 5760 K . By measuring the rate at which we receive its energy on earth, we know that it is radiating a total of 3.93×1026 J/s and behaves nearl..
how much money does it cost to leave a 100 watt light bulb on for 1 hour if electricity sells for 10cents per kW-h. a) 1cent b) 8 cent c) 22 cent d) 44cent e)100 cent
Find out direction and magnitude of force
A closely wound, circular coil with radius 2.40cmhas 850 turns. What must the current in the coil be if the magnetic field at the center of the coil is 0.0600T
A 650 kg elevator starts from rest. it moves upward for 3.5s withconstant acceleration until it reaches its cruising speed,1.75m/s . What is the average power of the elevator motorduring this period?
An unstretched spring is 13.0 cm long. When you hang an 845 g weight from it, it stretches to a length of 16.0 cm. What is the force constant (in N/m) of this spring
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