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A 5.0 kg object moving on a horizontal surface has an initial velocity, vi=(5.0i+10.0j) when a force F acts on the object for 3 seconds after which velocity is vf=(10i+30j) m/s.
Determine the work done by the force F on the object.
What is the magnitude of the force F?
A 110 kg hoop rolls along a horizontal floor so that its center of mass has a speed of 0.0760 m/s
Assume that Young's experiment is performed by light of wavelength 523 nm. The slits are 1.06 mm apart, and the viewing screen is 5.34 m from the slits. How far apart are the bright fringes in meters?
A van is approaching a stationary motion detector at 45 m/s. The motion detector emits ultrasonic sound waves toward the van, what is the frequency of the reflected sound measured by the detector
The mass of the Space Shuttle orbiter is 8.8 x 104 kgand the period of its orbit is 82 minutes. Estimate thekinetic energy of the orbiter and the work done on it by gravitybetween the launch and orbit.
When you push on an object, define how does the magnitude of the force affect its motion? If you push harder, is the change in motion smaller or larger
mars has a mass of 6.42 x 1023 kg and a radius of 3.40 x 106 m.a what is the acceleration due to gravity on mars?b how
two disks are rotating about the same axis. disk a has a moment of inertia of 7.64 kgmiddotm2 and an angular velocity
One component of a magnetic field has a magnitude of 0.054 T and points along the +x axis, Determine the angle that the net force makes with respect to the +x axis
The red radiation emitted by a HeNe laser is of wavelength 5,590 Ã. Calculate the energy (in eV) of the photons that are emitted
2 Identical small bodies each of mass m and charge q are suspended from 2 strings each of length l from a fixed point. This whole system is taken into an orbiting artificial satellite. Find the tension in the string.
Find tension in the back muscle and the compressional force
a rail gun accelerates a projectile from rest by using the magnetic force on a current-carrying wire. the wire has
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