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A ball is thrown straight up in the air at an initial speed of 30 m/s. Using conservation of energy, find the maximum height of the ball.
The scale of a spring balance reading from 0 to 230 N has a length of 15.0cm. A fish hanging from the bottom of the spring oscillates vertically at a frequency of 2.40 Hz. What is the mass of the fish ignoring the mass of the spring.
he resolving power of a microscope depends on the wavelength used. what minimum kinetic energy is required for the electrons
calculate the net percent value of these costs and benefits of an information system. Also calculate the overall return on investment of the project and then percent a break even analysis.
what is the force per meter on a lightning bolt at the equator that carries 20,000 amps perpendicular to the earths's 3.00 x 10^3 T field
A proton of charge +1.60Ã-10-19 C and mass 1.67Ã-10-27 kg is introduced into a region of B = 0.149 T, What is the radius of the proton's path
An ideal gas undergoes isothermal compression from an initial volume of 5.37 m3 to a final volume of 2.27 m3. There is 6.45 mol of the gas, How much work is done by the gas
A spherical mirror is to be used to form an image 5.20 times the size of an object on a screen located 4.20 m from the object, What is the required radius of curvature of the mirror
When a 0.31-kg mass is attached to a vertical spring, the spring stretches by 15 cm. How much mass (total) must be attached to the spring to result in a 0.53-s period of oscillation
A newly discovered planet has twice mass of the earth, but the acceleration because of gravity on the new planet's surface is exactly the same as the acceleration due to gravity on the earth's surface. What is the radius Rp of the new planet in te..
An object falls because of gravity at the rate of -920 cm/s2 (- sign is indicative of a downward direction) for 10.00 Seconds. If it starts from rest (vo = 0) and its position starts from do= 0.0, where is it 10.00 Seconds later.
q1. a large tanker truck can carry 30 ton of liquid. a what volume of water can it carry? b what volume of gasoline can
Two men decide to use their cars to pull a truck stuck in mud. What is the net forward force exerted on the truck in the direction it is headed
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