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A 600 gram particle (initially at rest at the origin) is subjected to a force of F=15i+20j (N) which pushes the particle along a track with a displacement described by s=3i+4j (m).
a. calculate the work done by this force by using the vector scalar product:
b. calculate the average power produced by this force:
When a cannon with a longer barrel is fired, the force of expanding gases acts on the cannonball for a longer distance. What effect does this have on the velocity of the emerging cannonball
Four Identical masses of 500.0g are placed at the corners of a square, distance 0.50 m apart. Find the magnitude of net gravitational force exerted by three masses
An electron in an oscilloscope is accelerated as a result of the potential difference between the cathode and anode. The electron has negligible initial speed and a final speed of 4.60 107 m/s. Find the voltage drop from cathode to anode.
The melting point of gold is 1173?C, and the boiling point is 2481 C. Compute the difference between these temperatures in Kelvin
A force vector has a magnitude of 579 newtons and points at an angle 41 Degrees of below the positive x axis. What are (a) the x scalar component and (b) the y scalar component of the vector
A ferrari race car on the straight road starts from rest, accelerating at 2.00 m/s^2 until it reaches a speed of 20.0m/s. Then the car travels for 20.0 s at the constant speed until the brakes are applied, stopping the truck in a uniform manner in an..
What is the lowest frequency (in Hz) that will resonate in a 3 m length organ pipe, closed at one end, What is the next highest frequency
A nucleus of oxygen-15 undergoes electron capture. Write out the reaction equation and determine the identity of the daughter nucleus
select the quantity that has changed(velocity or speed) for a car that travels north at 88 km/h and then turns east while continuing to move at 88 km/h. define your answer.
A friend of yours who starts out at the same age as you travels to the alpha centauri solar system which is 4.70 light-years away. How fast did she travel
A block with mass 1.871 kg sliding on a frictionless surface is attached to a horizontal spring with spring constant 11.69 N/m at the equilibrium position of the spring. The block is then pulled a distance 13.99 cm from the equilibrium point and rele..
A large iron cylinder of mass 265 kg rests so that its circular face rolls along the edge of a table, How far has the system moved along the horizontal
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