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Question: A rocket is fired in deep space, where gravity is negligible. If the rocket has an initial mass of 6100kg and ejects gas at a relative velocity of magnitude 2000m/s,
Part A: How much gas must it eject in the first second to have an initial acceleration of 26.0m/s2?
Please show your all work and steps to find how much gas it must eject in the first second.
the earth has an angular speed of 7.272middot10-5 rads in its rotation.find the new angular speed if an asteroid m
A narrow beam of ultrasonic waves reflects off the liver tumor illustrated in the figure below. The speed of the wave is 8.4% less in the liver than in the surrounding medium. Decide the depth of the tumor.
a 1.5 kilogram block is at rest on a ramp of height h. when the block is released it slides without friction to the
An electric flux of 148 N.m2/C passes during a flat horizontal surface that has an area of 0.77 m2. The flux is due to a uniform electric field. What is the magnitude of the electric field if the field points 15o above the horizontal?
A projectile is shot from the edge of a cliff 115m above ground level with initial speed of 65m/s at an angle of 35 degrees with the horizontal.
you are handed an apple that has a mass of 102g. to get a better of idea of what different pressure feel like, what is the pressure of the apple
Two steel guitar strings have the equal length. String A has a diameter of 0.60 millimeter and is under 450 Newton of tension. Determine what the ratio of the wave speeds
Two point charges q1 = -3 nC and q2 = -27 nC are at x = 0 and x = 25 cm, respectively, and free to move. What is the sign of the third charge
A pitched ball is hit by a batter at a 45 degree angle and now clears the outfield fence, 98 meters away. Suppose that the fence is at same height as the pitch and find the velocity of the ball when it left the bat. Neglect air resistance.
Assume the masses described in the preceding problem are 1kg and 100kg in that order. Compare the accelerations while they are interchanged.
What is the electric field strength between the disks. What is the speed of the box at the end of the 5.7-s interval.
A wheel (radius = 0.20 m) is mounted on a frictionless, horizontal axle. A light rope wrapped around the wheel supports a 0.50-kilogram object, as shown below. When released from rest, the object falls with a downward acceleration of 5.0 m/s2. What i..
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