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A 1.2 kg coffee cup is accelerated at 3.0 m/s^2 in the direction shown, over a frictionless horizontal surface. The acceleration is caused by three forces, but only two of which are shown. The magnitudes of the given forces are as follows: F1= 10N and F2= 20N. Find the magnitude and direction (with respect to the positive x axis) of the third force, F3.
if mars orbital period is (time for one orbit around the sun) is 1.886 earth years, what is the average speed of mars around the sun
Blocks with masses of 4.0, 8.0, and 9.0 are lined up in a row on a frictionless table. All three are pushed forward by a 16 force applied to the 4.0 block. How much force does the 8.0 block exert on the 8.0 block.
A blue car with mass mc = 442 kg is moving east with a speed of vc = 22 m/s and collides with a purple truck with mass mt = 1213 kg that is moving south with a speed of vt = 12 m/s. find the magnitude of the initial momentum of the car
A Simple Harmonic Oscillator consisting of a 305 g mass and a spring is set oscillating on a smooth flat surface. If the greatest speed of the mass is 1.50 m/s and the spring constant of the spring is 2.00 N/m.
When cruising at 75 MPH on a highway, a car's engine develops 45 hp. The car's engine has a thermodynamic efficiency of 25% and 1 gallon of gasoline has an energy content of 1.3 × 108 J. How many gallons of gasoline are consumed each second
A hydraulic lift consists of two pistons that connect to each other by an incompressible fluid. If one piston has an area of 0.49 m^2 and the other an area of 6.2m^2, how big a mass can be raised by a force of 220N exerted on the smaller piston.
Suppose that you find the volume of all the oceans to be 1.4\times10^9\; \rm km^3 in a reference book. What is this volume in cubic meters
A force vector points at an angle of 64.9 ° above the +x axis. It has a y component of +276 Newton's (N). Find out (a) magnitude and (b) x component of the force vector.
Two identical springs (neglect their masses) are used to "play catch" with a small block of mass 110g, Determine the spring constant of the two springs
A penny is placed at the outer edge of a disk radius = .150 m that rotates about an axis that is perpendicular to the plane of the disk at the center. The period of the rotation is 1.80 s. Find out the minimum coefficient of friction neccesary to..
question1in an assembly operation a robot moves an object first straight upward and then also to the east around an arc
A projectile is right at the edge of a 85 meter tall building . it is then fired with an initial speed of 25m/s at an angle 25 degrees above the horizontal and lands on the ground. how long will the projectile be in the air
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