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A cleaner pushes a 4.50kg laundry cart in such a way that the net external force on it is 60.0 N. Calculate the magnitude of its acceleration.
To initiate a nuclear reaction, an experimental nuclear physicist wants to shoot a proton into a 5.50-fm-diameter 12C nucleus. With what speed must the proton be fired toward the target
An electron and a positron, each moving at 3.0*10^5 m/s, collide head on, disappear, Determine the momentum of each photon
A parallel beam of unpolarized light in air is incident at an angle of 57.5 degrees (with respect to the normal) on a plane glass surface, What is the angle of refraction of the transmitted beam
A 1.60 kg ball and a 7.20 kg ball are connected by an 80.0 cm long massless, rigid rod. What is the rotational kinetic energy of the structure
A roller coaster car crosses the top of a circular loop-the-loop attwice the critical speed. What is the ratio of the normal force to the gravitational force?
Find the cost to operate one such string 24.0 h per day for the Christmas season (two weeks), using the rate $0.13/kWh
Find out the maximum distance d (along the ladder) that the monkey can climb up the ladder before rope breaks.
Two capacitors when connected in parallel give an equivalent capacitance of 9.00 pF and give an equivalent capacitance of 2.00 pF when connected in series
In an electron microscope, there is an electron gun that contains two charged metallic plates 2.65 cm apart. Determine the time interval the electron spends between the plates
The index of refraction for red and violet light in flint glass are respectively 1.662 and 1.698. The index of refraction for red and violet light in diamond are respectively 2.41 and 2.458. Based on this information, answer the following. What is..
A neutron collides elastically with a helium nucleus(at restinitially) whose mass is four times that of the neutron. What is the speed of the neutron after the collision
The three ropes are tied to a small, very light ring. Two of these ropes are anchored to walls at right angles with tensions T1 = 35 N andT2 = 70 N. What are the magnitude and direction of the tension Tvec3 in third rope.
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