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A rocket launched from the ground, rises vertically by acceleration of 30m/s^2 for 1.0s when it runs out of fuel. Disregarding air resistance, how high will the rocket rise?
A vertical straight wire carrying an upward 11 A current exerts an attractive force per unit length of 8.8 multiplied by 10-4 N/m on a second parallel wire 8.0 cm away
a horizontal beam of electrons travels from north to south in a discharge tube where the earth has a downward component
A motorist suddenly notices a stalled car and slams on the brakes, decelerating at the rate of 6.3 m/s2, How much time elapsed from the initial braking to the collision
a tube open at only one end is cut into two shorter nonequal lengths. the piece that is open at both ends has a
A rocket is launched vertically from rest; and it burns fuel at a constant rate of 136 kg/s. Exhaust gases are expelled with a speed of 5.25 x 10^3 m/s relative to the rocket. what is the magnitude of the thrust?
The primary coil of a step-uptransformer is connected across the terminals of a standard wallsocket, and resistor 1 with a resistance R1 is connected across the secondary coil. The current in the resistor is the nmeasured.
He area of a typical eardrum is about 5.0 multiplied by 10-5m2. Compute the sound power incident on an eardrum at the threshold of pain. Compute the sound power (the energy per second) incident on an eardrum at the threshold of hearing.
In a women's 100-m race, accelerating uniformly, Laura takes 1.87 s and Healan 3.12 s to attain their maximum speeds, find the maximum distance by which Healan is behind Laura
A student throws a set of keys vertically upward to her sorority sister, who is in a window 4.00m above. The second student catches the keys 1.50s later. (a) With what initial velocity were the keys thrown? (b) what was the velocity of the keys just..
An airplane whose air speed is 628km/h is supposed to fly in a straight path 33.0? north of east. But a steady 88km/h wind is blowing from the north. In what direction should the plane head
The escape velocity of a bullet from the surface of planet Y is 1599.0 m/s. Calculate the escape velocity from the surface of the planet X
A 1.90-cm-high object is situated 19.2 cm in front of a concave mirror that has a radius of curvature of 11.1 cm. Calculate the location and the height of the image
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