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Two forces F1=(5i+4j)N and F2=(3i-8j)N act on a 1.5 kilogram body.
a) Evaluate the magnitude and direction of the acceleration.
b) If the body is initially at rest at the origin, find what are the coordinates of its position at t=3 sec?
A 70-kg astronaut floating in space in a 110-kgMMU (manned maneuvering unit) experiences an acceleration of 0.029 m/s2 when he fires one of the MMU's thrusters. What is the thrust of the thruster
What is the reactance of a 8.2×10?2?F capacitor connected to a 19kV (rms), 540Hz line? Determine the frequency and the peak value of the current
The blackbody radiation emitted from a furnace peaks at a wavelength of 3.0 10-6 m (0.0000030 m). What is the temperature inside the furnace
Light of wavelength 605 nm falls on a double slit, and the first bright fringe of the interference pattern is seen at an angle of 12.0° from the central maximum. Find the separation between the slits. µm
A shopper in a supermarket pushes a cart with a force of 33 N directed at an angle of 25° below the horizontal. Find the work done by the shopper as she moves down a 44 m length aisle
A football is kicked at an angle of 28.4 degrees above horizontal and with an initial speed of 27.9. The ball lands on a level field. Determine The range of the football
There is a tree in the middle of your front yard and you take pictures of a squirrel as it runs around the tree. what is the average acceleration of the squirrel between the first and third pictures
A dolphin locatedin sea water at a temperature of 25°C emits a sound directedtoward the bottom of the ocean 200 mbelow. How much time passes before it hears an echo
Two bars of identical mass are at 32 °C. One is made from glass and the other from another substance. What is the specific heat capacity of the other substance
An air-track glider attached to a spring oscillates between the 11.12 cm mark and the 54.38 cm mark on the track. What is the maximum speed of the glider in cm/s
i need help for question 2 3 and 4. i can handle question 1. the dateline is within 12 hours. hope this is
The speed of a particle moving in a circle 2.0 m in radius increases at the constant rate of 4.4 m/s2. what is the speed of the particle
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