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A 6000 kg open train car is rolling on frictionless rails at 25.0 m/s when it starts pouring rain. A few minutes later, the car's speed is 20.0 m/s.
What mass of water has collected in the car?
Express your answer to three significant figures and include the appropriate units.
A parallel plate capacitor has a left plate with a positive charge of +Q and a right plate with a charge of -Q. The magnitude of the electric field between the plates is 100 V/m The plates each have an area of 2.0x10-3 m2 with a spacing of plate..
The radius of the electron's orbit in the Bohr model is 1.323 nm. Find the de Broglie wavelength of the electron under these circumstances.
What is the launch speed of a projectile that rises vertically above the Earth to an altitude equal to 14 before coming to rest momentarily? answer in m/s.
illustrate the industry that is Swisher? The specifics of this question comprise - a) sales growth, b) number of domestic competitors, number of private labels and its market share, c) distribution network that dominates d) the buying behaviour of..
The gravitational constant would be easy to gauge if ordinary matter were denser. What would the density of a sphere of radius 1.03 m have to be in order to produce a gravitational acceleration of 1.03 m/s2 at the surface of the sphere?
N an empty rubber raft the pressure is approximately constant. You push on a large air pump that pushes 1.0 L(1.0× 10-3m3) of air into the raft. You exert a 15 N force while pushing the pump handle 6.0×10-2 m
A friend of yours who starts out at the same age as you travels to the alpha centauri solar system which is 5.20 light-years away. How much older than your friend are you now
find the transformation matrix r that describes a rotation of 90 degrees about an axis from the origin through the
What is the electric field strength at midpoint between two disks.What is the electric field strength a point on axis 5.0 cm from one disk between them.
A 20 kg block rests on a variable ? frictional incline as shown below. Answer the questions concerning this block on the variable incline. Which of the following statements are true regarding the stationary block on the incline?
Consider a binary separator used to separate aluminum cans from glass. A total mass of 0.8tone/hr enters. determine what is the recovery of aluminum
A bat can detect small objects, such as an insect, whose size is approximately equal to one wavelength of the sound the bat makes. If bats emit a chirp at a frequency of 9.47 104 Hz, and if the speed of sound in air is 343 m/s, what is the smallest i..
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