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The smallest marked division on a measuring tape is 1mm. If you use this tape to measure the length of a lab bench, what is the smallest possible uncertainty in the measurement
What is the difference between heat and temperature and what are the SI units
Consider a simple model for the interior of the Earth: there is a spherical iron core with constant mass density ?0 and radius a; outside the core is "rock" with constant density ?1. Use these values for the densities: ?0= 8.70×103 kg/m^3 and ?1= ..
Determine the same situation, but now let the initial speed v0 of the first ball be given and treat the height h of the building as an unknown. What should the height of the building be for both balls to reach the ground at the same time for v0= 8..
When a test charge q0 = 6 nC is placed at the origin, it experiences a force of 8 ? 10-4 N in the positive y direction. What is the electric field at the origin
A 150 kg rock (density is 2500 kg/m 3 ) is dropped to a lake. Determine how much force the man needs to life the rock from the bottom of the lake
The human lungs can function satisfactorily up to a limit where the pressure difference between the outside and inside of the lungs is one-twentieth of an atmosphere. how far below the water can she swim
A convex lens with focal length of 8cm forms an image of an object placed 29cm to the left of the lens. What is the distance to the image formed
A 55 kg meteorite buries itself 4.5 m into soft mud. What was the speed of the meteorite when it initially impacted the mud
q1. an airplane is flying with a velocity of 80.0 at an angle of 26.0 above the horizontal. when the plane is a
A solid, uniform sphere of mass 2.0 kilogram and radius 1.7 meter rolls without slipping down an inclined plane of height 7.4 meter. Determine the angular velocity of the sphere
If a person were to push hardly on a solid wall will the work be done? Also, why would it be exhausting to push hardly against this solid wall?
A 5.05-kg ball of clay is thrown downward from a height of 2.77 m with a speed of 4.61 m/s onto a spring with k = 1730 N/m. Find the total work done on the clay during the spring's compression
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