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According to you, an astronaut's trip from Earth to a distant planet takes 28 years. What is the distance between the planets, according to you
A circular coil made up of 10 windings of wire has a circumfrence of 2 m. The coil is perpendicular to a magnetic field of strength 10 T. what is the change in magnetic flux through the coil
An athlete competing in long jump leaves the ground with a speed of 9.14 m/s at an angle of 35.0 ° above the horizontal
An object weighting 100N is traveling vertically upward from the ground in the absence of air resistance at a constant velocity of 5 m/s
There is 7 total 100 W light bulbs in a parallel circuit your basement, how much energy in kilowatt hours would be used
If a 20kg mass hangs from the right side of a massless bar 5 meters in length and a 5kg mass hangs from the left side of the bar
A 23.2-mW laser beam of diameter 2.18 mm is reflected at normal incidence by a perfectly reflecting mirror. Calculate the radiation pressure on the mirror
A 162 Ω resistor is connected to a variable power supply. What voltage will be required for a current of 0.6 A to flow in the resistor
The four tires on the author's car are inflated to an absolute pressure of 2.7x10^5 Pa. obtain the contact area between each tire and the ground
For exercise, a 60 kg athlete runs up a 10-m high hill in 30 seconds. Assume the efficiency of the human body is 25%. Determine her metabolic power
Falling light. According to general relativity and the equivalence principle, light is bent by gravity. Determine the time it takes for the light to strike the ground
What was the initial concentration of COCl2?
Consider a particle of mass m in a uniform gravitational field. Its potential energy is E(h) = mgh,where h is the height above sea level and g is the earth's gravitational constant, g = 9:8 m/s2
A 10.0cm long cylindrical glass tube, sealed at one end, is filled with ethanol. The mass of ethanol needed to fill the tube is found to be 11.48g . The density of ethanol is 0.789 g/mL.
A hand-pumped water gun is held level at a height of 0.84 m above the ground and fired. Find the gauge pressure of the water gun's reservoir
The cobalt(II) ion, Co^(2+), is especially responsive to magnetic fields, more so that Co^(1+) and Co^(3+). Why
A piece of glass has a temperature of 80.6 ° C. Liquid that has a temperature of 43.0 ° C is poured over the glass, determine the specific heat capacity of the liquid
An unknown compound was decomposed and found to be composed of 1.36 mol oxygen, 4.10 mol hydrogen, and 2.05 mol carbon. What is the empirical formula of the unknown compound?
An ice chest at a beach party contains 15 cans of soda at 3 ° C. Each can of soda has a mass of 0.38 kg, determine the final temperature T of the soda and watermelon
8.0 moles of an ideal monatomic gas are compressed from a volume V1 = 0.26 m3 to V2 = 0.13 m3 at a constant pressure of 90 kPa
Four positively charged particles enter magnetic field as shown. What would be the path of each particle in the field
A 1055-kg van, stopped at a traffic light, is hit directly in the rear by a 670-kg car traveling with a velocity of +2.35 m/s. What is the final velocity of each vehicle
A positive and a negative particles enter magnetic field at the same angle and with the same velocity. How different would be the path of each particle
At a height of fifteen meters above the surface of a freshwater lake, a sound pulse is generated. How deep is the lake
a block of mass m=2.00kg is attached to the end of an ideal spring and its initially hanging motionless. with what angular frequency will the block oscillate