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A student makes one straight, fluid motion to connect two points and all of the points in between them with the shortest possible path. What has the student drawn?
Two narrow slits 54?m apart are illuminated with light of wavelength 510nm, What is the angle of the m=2 bright fringe in radians
The wavelength of the x-radiation we use in our diffractometer is 1.54Angstroms. What is the ratio of the energy of these x-ray photons to the energy in the most energetic of visible light? Given this discuss why x-rays are considered dangerous to pe..
What is the wavelength of the reflection minimum?
A small block of mass m = 140 g is released from rest at point along the horizontal diameter on the inside of a frictionless, hemispherical bowl of radius R = 28.0 cm as shown in the figure below. the height = 2R/3 = c (d) Calculate its kinetic energ..
A conducting sphere of radius r1 = 0.37 meter has a total charge of Q = 3.3 μC. Find what is the total charge on sphere two, Q2 in C
The mass of Pluto is 0.0025 times that of earth, and its radius is 0.180 times that of earth. Calculate the acceleration of gravity at the surface of Pluto
When you take a bath, how many kg of hot water (49 oC) must you mix with cold water (13 C) so that the temperature of the bath is 36 oC? The total mass of the water (hot and cold) is 191-kg.
A moving charge experiences the maximum possible magnetic force when moving in a magnetic field. What can you conclude about the angle that the charge's velocity makes with respect to the magnetic field? Explain
Suppose a beam of 5.0 eV protons strikes a potential energy barrier of height 6.0 eV and thickness 0.58 nanometer, Determine how long would you have to wait-on average-for one proton to be transmitted
a marble is projected up along a 17 deg incline track at an initial speed of 2.1ms and then coasts without friction. a
Water has a mass per mole of 18.0 g/mol, and each water molecule (H2O) has 10 electrons. (a) How many electrons are there in 9.42 liters of water? (1 liter is equivalent to 1.00 × 10-3 m3) (b) What is the net charge of all these electrons?
If 62.9 L of oxygen at 18.0°C and an absolute pressure of 2.28 atm are compressed to 56.5 L and at the same time the temperature is raised to 50.0°C, What is the average translational kinetic energy of a nitrogen molecule at STP
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