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1. A rocket moves straight upward ,starting from rest with an acceleration of +29.4 m/s2. it runs out of fuel at the end of 10.00 seconds and continues to coast upward, reaching a maximum height before falling back to earth.
1. find the rocket's velocity and position at the end of 8.00 seconds.
2. find the maximum height the reaches.
3. find the velocity the instant before the rocket crashed on the ground.
Two loudspeakers are vibrating in phase. They are set up as point C is located. Assume the speed of sound is 342 m/s. The speakers play the same tone. What is the smallest frequency that would produce destructive interference at point C.
Valerie is able to do 1200 joules of work in 10seconds. Brett is able to do 5000 joules of work in 50 seconds. Who is more powerful.
A 3.0 kg block of silver is completely immersed in water. calculate the mass of water displaced by the silver block
Three point charges are on the x-axis. The first is located at -4 meters asn has a charge of -6 coulombs. What is the net force on the charge at the origin
Identify three examples of 19th century Impressionist painting or sculpture and three Post-Impressionist works. Explain how the six pieces of art fall into these two styles.
A nuclear power plant operates at 80% of its maximum theoretical (Carnot) efficiency between temperatures of 700°, how much exhaust heat is discharged per hour
You are driving to the grocery store at 20 . You are 110 from an intersection when the traffic light turns red. Assume that your reaction time is 0.50 and that your car brakes with constant acceleration.
Review Conceptual Example 7 as background for this problem. Determine the magnitude of the momentum of each photon
A highway is to be built between two towns, one of which lies 50.0 km south and 82.0 km west of the other. find at what angle would this highway be directed
If the car had been going 10m/s but had stopped in the same d = 167m distance, what would its acceleration have been.
An 8.71-kg block slides with an initial speed of 1.62 m/s down a ramp inclined at an angle of 27.0° with the horizontal. find the distance the block slides before coming to rest
A flywheel with a radius of 0.310m starts from rest and accelerates with a constant angular acceleration of 0.660rad/s2, Compute the magnitude of the tangential acceleration, the radial acceleration
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