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On planet Tehar, the free-fall acceleration is the same as that on Earth, however there is also a strong downward electric field that is uniform close to the planet's surface. A 2.02 kg ball having a charge of 5.01 µC is thrown upward at a speed of 20.1m/s. It hits the ground after an interval of 4.10 s. What is the potential difference among the starting point and the top point of the trajectory? (Answer in kv)
a speedboat starts from rest and accelerates at 2.01 ms2 for 7.35 s. at the end of this time the boat continues for an
The potential in a region between x = 0 andx = 6.00 m is V = a + bx wherea = 15.0 V and b =-5.00 V/m.Determine the potential at x =0. Determine the potential at x = 3.00 m.
A rope is wrapped around a wheel of diameter, 50 centimeter. The wheel is mounted with frictionless hearings on an axle through its center. Calculate the linear acceleration of the falling block
The energy of the 2s state of some element is -5.691eV. Compute the value of Zeff for this state. The energy of the 4s state of some element is-4.339 eV. Compute the value of Zeff for this state.
An air parcel occupied by an ideal gas (T1 = 255 K, V1 = 1500m3, m1 = 1680 kg) collides and mixes with a second air parcel occupied by a second ideal gas (T2 = 280 K, V2 = 1200 m3, m2 = 1392 kg). Assuming the specific heat capacities of the gases ..
You are assigned the design of a cylindrical, pressurized water tank for a future colony on Mars, Find the net downward force on the tank's flat bottom
When one mole of C6H6 is burned, 3.27 MJ of heat is produced. When the heat from burning 7.77 g of C6H6 is added to 5.69 kg of water at 21.0°C, what is the final temperature of the water?
An object at rest explodes into three pieces of equal masses. One moves east at 23 m/s, while the second piece moves northwest at 14 m/s. Estimate the velocity of the third piece? Suppose each piece has a mass of 2 kg.
An elementary particle of mass M completely absorbs a photon, after which its mass is 1.01M. (a) What was the energy of the incoming photon (b) Why is that energy greater than 0.01Mc^2
A molecule of DNA (deoxyribonucleic acid) is 2.35 µm long. The ends of the molecule become singly ionized: negative on one end, positive on the other. Determine the effective spring constant of the molecule
A photon has the same momentum as an electron moving with a speed of 1.83×105 m/s. What is the wavelength of the photon
suppose that two objects attract each other with a gravitational force of 16 units. what would be the new force of attraction between the two objects
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