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A projectile is shot from the surface of Earth by means of a verypowerful cannon. If the projectile reaches a height of 35,000mabove Earth's surface, what was the speed of the projectile when it left the cannon?
A 3 kg block slides with a speed of 1.1 m/s on a frictionless horizontal surface until it encounters a spring. What initial speed should the block have to compress the spring by 1.2 cm
Beams of high-speed protons can be produced in "guns" usingelectric fields to accelerate theprotons. What acceleration would aproton experience if the gun's electric field were 2.23 x104 N/C?
a hammer thrower accelerates the hammer mass 7.30 kg from rest within four full turns revolutions and releases it at a
A 1000-kg rocket has a net propulsion force of 80 kN (kiloNewtons). Over a short time period, it uniformly speeds up from an initial velocity of 35 m/s to a final velocity of 60 m/s. What is the net work done on the rocket in kil
A physics student has designed a winter game. He has a platform 4.6 meters high with a rope tied to a tree at the same height, how fast are the boys and the sled moving after they "collide"
A hollow aluminum cylinder 24.5 cm deep has an internal capacity of 2.000 L at 22.0°C. It is completely filled with turpentine at 22.0°C. How much turpentine overflows
An open plastic soda bottle with an opening diameter of 3.0 cm is placed on a table. A uniform 1.95-T magnetic field directed upward and oriented 29º from vertical encompasses the bottle. What is the total magnetic flux through the plastic of the ..
a 4.5kg ham is thrown into a stationary 15-kg shopping cart.at what speed will the cart travel if the ham had an initial speed of 2.2m/s, how long did the collision between the two last
q. the mass of a copper atom is 2.38 x 10-25 kg and the density of copper is 8 920 kgm3.a conclude the number of atoms
In the nuclear reaction 122/52Te(X,d)124/53I, the symbol "d"indicates deuterium nucleus 2/1H. what can be concluded regarding x?
Assuming wind forces can be neglected, what is the highest that one can make a solid concrete tower of uniform cross-section (Take the density of concrete to be 2,400 kg/m^3)
An induced emf of 12V is produced when a 350 loop coil, ofradius 4.2cm , is placed perpendictular to a megnetic fieldand turn 90deg in 0.08s. Calculate the intensity of the magnetic field
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