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A fictional spaceship accelerates at a constant rate of 0.107 m/s2.
(a) How long would it take to reach the moon, 3.48 108 m away?
(b) What would be its final velocity?
A proton at speed v=3.20*105 m/s orbits at a radius of 2.4 cm outside a uniformly charged sphere. Determine the total charge on the sphere
A small piece of Styrofoam packing material is dropped from a height of 1.50 m above the ground. Until it reaches terminal speed, magnitude of its acceleration is given by a = g - bv. After falling 0.40 m, the styrofoam effectively reaches its ter..
The dummy in a crash test has a head of mass 3 kg. The dummy is strapped in firmly so that the body does not move. The car's forward speed changes from 24 m/s to zero in 0.23 s.
A 116 g insulated aluminum cup at 15°C is filled with 140 g of water at 50°C. After a few minutes, equilibrium is reached. Estimate the total change in entropy
U-tube mounted on wood (each arm is about 22 cm long) • Small glass funnel • Thin rubber sheet (5cm by 5cm) • Tall glass container or beaker about 1000 cu.cm capacity • Standard masses, Observe and record the levels of the colored water in arms A ..
A test rocket is fired vertically upward from a well. A catapult gives it an initial speed of 80.6m/s at ground level. Its engines then fire and it accelerates upward at 3.80 m/s2 until it reaches an altitude of 930m. At that point its engines fai..
In a He+ ion, the electron is in 3S state Assume that units can be chosen that a = 4 ? ?0 h2 / (M e2) = 1, write down the corresponding wavefunction
A cylinder of brass has a diameter of 3mm and a length of 100mm. What is the stress in the cylinder
What is the voltage as a function of time accross a capacitor C connected in a single series loop with a resistor R, By what phase angle does current lead voltage
According to the Guinness Book of World Records (1990 edition, p. 169), the highest rotary speed ever attained was 2010 m/s (4500 mph). The rotating rod was 15 cm (5.9 in) long. Imagine the speed quoted is that of the end of the rod.
A Carnot engine has an efficiency of 0.861, and the temperature of its cold reservoir is 381 K. Determine the temperature of its hot reservoir
A street lamp weight 164N. It is supported equally by two wires that form an angle of 129 degrees with each other. What is the tension of each of these wires.
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