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A mass sitting on a horizontal, frictionless surface is attached to one end of a spring; the other end is fixed to a wall. 3.4 J of work is required to compress the spring by 0.18 m. If the mass is released from rest with the spring compressed 0.18 m, it experiences a maximum acceleration of 15 m/s2. Find the value of the mass.
The wind exerts a force of 325N north on a sailboat, while the water exerts a force of 425 N west on the sailboat. Find out the magnitude and direction of the net force on sailboat.
you must determine the acceleration of a rocket so that its equipment can be designed to survive. the rocket will have a burne time of t=30 second, what is maximum altitude of the rocket
A fictional spaceship accelerates at a constant rate of 0.107 m/s2. What would be its final velocity
if a drage car had a constant acceleration throughout a quarter mile (402 m) race, what would be the top speed reached
The school bus picks up Brian in front of his house and takes him on a straight-line 3.6 km bus ride to school in the positive direction. what is his displacement on the walk home
An object 3.4 mm tall is placed 25cm from the vertex of of a convex spherical mirror. how far is the image from the vertex of the mirror
The two wires of length 2m are 3mm apart and carry a current of 10 A dc. Calculate the force between these wires
A car travels due east with a speed of 42.0 km/h. Raindrops are falling at a constant speed vertically with respect to the Earth. Find the velocity of the rain with respect to the following reference frames
A cylindrical container filled with water having a cross section 0.04 m^2 is placed on a scale, What is the rise in water surface after the ball is put in the water compared to before
A brick is thrown upward from the top of a building at an angle of 45° to the horizontal and with an initial speed of 10 m/s. If the brick is in flight for 2.8 s, how tall is the building.
Suppose you are on Mars, where the free-fall acceleration is just 3.7 m/s^2. How far can you hit a golf ball with your club from a 300 meter elevated cliff, How long will the ball fly before hitting the ground
What is the smallest thickness of a soap film (n=1.40) that would appear black if illuminated with 470nm light? Assume there is air on both sides of the soap film
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