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Two space stations are at rest relative to each other and are 6.0 × 107 m apart, as measured by observers on the stations. A spaceship traveling from one station to the other at 0.90c relative to the stations passes both of them, one after the other. As measured by an observer in the spaceship, how long does it take to travel from one station to the other? (c = 3.00 × 108 m/s)
a) Determine the magnitude and direction of the electrostatic force acting on particle A in the figure given below due to particles B and C . The values of the charge on these particles are indicated in the figure.
A cyclist is using cranks with a length of 17cm and a front sprocket of radius 10cm. while standing up she places her body weight onto the forward pedal. the crank is initially horizontal and the force in the pedal is equal to body weight. cyclist..
A 1,699-kg satellite orbits the Earth in a circular orbit with a period of 6,016 s. How high above the Earth's surface is the satellite's orbit
In an explosion, an object breaks down into two pieces, M1 and M2. M2 flies away at 3 times the speed of M1. Which mass has more momentum immediately after the explosion
What is the electric potential difference between two points that are 3.00 cm and 5.00 cm from a proton
A fuel pump sends gasoline from a car's fuel tank to the engine at a rate of 6.44 10-2 kg/s. What is the speed at which the gasoline moves through the fuel line
A 79 kg person sits on a 3.7 kg chair. Each leg of the chair makes contact with the floor in a circle that is 1.3 cm in diameter. Find out the pressure exerted on the floor by each leg of the chair, suppose the weight is evenly distributed.
A speedboat starts from rest and accelerates at +2.42 m/s2 for 8.71 s. At the end of this time, the boat continues for an additional 4.33 s with an acceleration of +0.654 m/s2. Find the total displacement of the boat
The electric motor of a model train accelerates the train from rest to 0.600 m/s in 17.0 ms. The total mass of the train is 585 g. Find the average power delivered to the train during its acceleration
Imagine two 1.5 bags of protons, one at the earth's north pole and the other at the south pole. A. Calculate the gravitational attraction that each bag exerts on the other.
The aorta in humans has a diameter of about 1.9 cm and at certain times the blood speed through it is about 60 cm/s. find the Reynolds number for blood flow through the aorta
A student is trying to decide what to wear. His bedroom is at 17.0°C. His skin temperature is 36.0°C, Find the net energy loss from his body by radiation in 10.7 min
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