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A particle with a mass of 3.65×10?24 kg and a charge of 6.40×10?19 C starts at rest and is accelerated for a distance of 0.0800 m through a uniform electric field having strength E = 7.25×104 N/C. What is the resulting speed of the particle?
The density of air at standard temperature and pressure (STP) is 1.20 kg/m^3 how much mass could this balloon carry
At the Earth's surface a projectile is launched straight up at a speed of 8.5 km/s. To what height will it rise
A cubical box is filled with sand and weighs 798 N. We wish to "roll" the box by pushing horizontally on one of the upper edges. What minimum coefficient of static friction between box and floor is required
A meterstick moves past you at great speed. Its motion relative to you is parallel to its long axis. at what speed is the meterstick moving relative to you
Conservation of energy tells us that energy cannot be created or destroyed. Clearly, energy is required for radioactivity to occur. Where is this energy coming from?
A 800kg , light-weight helicopter ascends from the ground with an acceleration of 3.50m/s2. What is the work done by the gravitational force
When a particle is at the origin, it has a velocity given by vo = (12i + 15j)ms-1. How long does it take the particle to hit the y-axis
If the surface of the water is calm and the pool is h = 1.52 m deep, find out the minimum diameter of the raft that would prevent the diamond from being seen.
A rifle with the barrel length of 62cm fires a 12g bullet with a horizontal speed of 380m/s. The bullet strikes a block of wood and penetrates to a depth of 14cm. What resistive force (assumed to be constant) does the wood exert on the bullet? How lo..
Gas is confined in a tank at a pressure of 10.7 atm and a temperature of 24.1°C. what is the new pressure in the tank
The starter motor of a car engine draws a current of 160A from the battery. How much charge passes through the starter motor
A 2.71 g sample of KCl from the chemistry stockroom is found to be radioactive, and it is decaying at a constant rate of 4490 Bq. Calculate the half-life of this nuclide
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