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Here is the problem which I am struggling on, please help me!
Problem: Find the initial speed of a projectile if after being launched horizontally 2.0m above the floor landed at a horizontal distance of 3.0m from the launcher.
Please show all work and steps to calculate the initial speed of a projectile.
One kilowatt-hour (kWh) is the amount of work or energy generated when one kilowatt of power is supplied for a time of one hour, Determine the number of joules of energy in one kilowatt-hour
Sam's speed at the bottom is 35.0. Illustrate what is the coefficient of kinetic friction of his skis on snow?
A vertical electric field of magnitude 2.25*104 N/C exists above the Earth's surface on a day when a thunderstorm is brewing. A car with a rectangular size of 6.00 m by 3.00 m is traveling along a dry gravel roadway sloping downward at15.5°. Decide t..
if 500 j of work are required to carry a charged particle between two points with a potential difference of 20 v the
a particle of charge q is fixed at the origin of an xy coordinate system. at t 0 a particle m 0.771 g q 4.15 microc
You can determine the index of refraction of a substance by determining its critical angle. What would the critical angle be for this substance in air
A bed rests on two scales which are 2.0 meters apart. A person lies down on the bed with their feet over one scale which reads 320. N while the other scale reads 380. N. How far from the persons feet is the center of mass?
Calculate the electrostatic force exerted on the point charge by the cylinder and what level of uncertainty would be acceptable in the initial position? You may assume that the uncertainty in all other parameters is negligible
When a mass of 25 g is attached to a certain spring, it makes 19 complete vibrations in 4.5 s. What is the spring constant of the spring
When the power is turned off on a turntable spinning at 78.0 rpm , you find that it takes 10.5 revolutions for it to stop while slowing down at a uniform rate. How long does it take to stop after the power is turned off
A teenager pushes tangentially on a small hand-driven merry-go-round and is able to accelerate it from rest to a frequency of 12rpm in 10.8s. What force is required at the edge
The electric field in an xy plane produced by a positively charged particle is 4.94(6.9i + 4.4j)N/C at the point (5.9, 5.8) cm, Determine the x and y coordinates of the particle
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