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On a spacecraft, two engines are turned on for 991 second at a moment when the velocity of the craft has x and y components of v0x = 5840 m/s andv0y = 8140 m/s. While the engines are firing, the craft undergoes a displacement that has components of x = 3.64 x 106 m and y = 6.60 x106 m. Find the
(a) x and
(b) y components of the craft acceleration.
A string on a musical instrument vibrates in its fundamental mode with nodes on either end. The length of the vibrating segment is 0.39 m. The maximum transverse velocity at a point in the middle of the string is 3.8 m/s and the maximum transverse ac..
two speakers one directly behind the other are each generating a 235-hz sound wave. what is the smallest separation
Assume that, as lying on a beach near the equator watching the Sun set over a calm ocean, you start a stopwatch just as the top of the Sun disappears. You after that stand, elevating your eyes by a height H = 1.90 m.
q1. a street lamp weight 164n. it is supported equally by two wires that form an angle of 129 degrees with each other.
To walk on water, all you require is a pair of water-walking boots shaped like boats. If each boot is 28 cm high and 33 cm wide, how long should they be to support a 55 kg person?
A string oscillates according to the equation below. y = (0.30 cm) sin[(?/3 cm-1)x] cos[(20? s-1)t] , What is the distance between nodes
question a collapsible plastic bag contains a glucose solution.if the average gauge pressure in the vein is 13900 pa
An object known to be made of copper (p=8.89 g/cm^3) and aluminum (p=2.7 g/cm^3) "weighs" 25 g in air but only 20 g in water. How much copper is in the object
a harvest mouse can detect sounds as quiet as -10 dB. suppose you are sitting in a field on a very quiet day while a harvest mouse sits nearby at the entrence to its nest, How far is the harvest mouse from the leaf
A 14.4 kg curling rock is released with a speed of 1.78 m/s and slides to a stop in 22 meters. What force of friction acts on the rock
Two very small objects, whose charges are +1.0 and -1.0 C, Find the magnitude of the attractive force that either charge exerts on the other
A hydraulic chamber with a spring (spring constant = 1600 N/m) attached to the input piston and a rock of mass 40kg resting on the output plunger.
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