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Desperate for money, you take a scary job climbing a very tall 2.640 hm high tower to make a repair. You see friends at an angle of 43.8 degrees below the horizontal. How far away are they in feet from the tower bottom?
A 240g block is attached to a horizontal spring and executes simple harmonic motion with a period of 0.150 s. If the total energy of the system is 3J.
What is the minimum time necessary for crossing.
A spherical concave lens has a focal length of 40 cm, and an object is placed 20 cm from the lens. Draw a ray diagram. (Submit a file with a maximum size of 1 MB.) Estimate the image distance
A 1100kg car traveling south at 24 m/s with respect to the ground collides with and attaches to a 2550kg delivery truck traveling east at 16 m/s. Determine the direction of the velocity of the two vehicles
In a football game a kicker attempts a field goal. The ball remains in contact with the kicker's foot for 0.0682 s, determine the vertical components of the launch velocity.
an early cyclotron had a diameter of 30 cm and used a magnet capable of applying a magnetic field of 2.0 T. What was the max kinetic energy of the protons
the speed of light in a material is 0.41 c. what is the critical angle of a light ray at the interfacce between the material and a vacuum
Consider a cube of sides a = 4.60 m, as shown in the diagram below. Suppose that an electric field is present and is given by E = bxn, Calculate the magnitude of the total charge within the cube
A parallel plate capacitor has square plates with sides of length 20 cm. The distance between the plates is 4 mm. The plates are charged up to 50volts, What is the energy stored by the capacitor
Two ice skaters, with masses of 30.0kg and 75.0kg , are at the center of a 30.0m -diameter circular rink. how long does the lighter skater take to reach the edge
What provided the added kinetic energy? None of these is correct. the momentum of the platform the man moving the weights further away from his body the man pulling the weights closer to his body
A 2.0 cm tall object is placed in front of a mirror. A 1.0 cm tall upright image is formed behind the mirror, 150 cm from the object. find Is the image erect or inverted
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