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Example: In the equation if r has the dimension of [L] then we know that x must have a dimension of [L]. Furthermore, if the unit of r is cm then x must have a unit of cm.
Question 1.: Given the equation if the dimension of atot is [L]/[T]2, what is the dimension of ar and atan?
Question 2. Given the equation ρ = m/V where ρ has the dimension [M]/[L]3 and m has the dimension [M], what is the dimension of V?
Question 3. The density of an unknown substance is 9.5 x 103 kg/m3. What is the density of this substance in g/cm3? 1kg = 1000g and 1 m = 100cm.
_____g/cm3
The radius of a rod is 0.251 cm, the length of aluminum part is 1.3 m and of the copper part is 2.66 m, Determine the elongation of the rod
When light of wavelength 370 nm falls on a barium surface, electrons having a maximum kinetic energy of 0.86 eV are emitted. the frequency corresponding to the cutoff wavelength
Block 1, of mass = 0.500 , is connected over an ideal (massless and frictionless) pulley to block 2, of mass , as shown. Assume that the blocks accelerate as shown with an acceleration of magnitude = 0.300 and that the coefficient of kinetic frict..
you are driving along a highway at 28.8 ms when you hear a siren. you look in the rear-view mirror and see a police car
A star similar to our sun radiates energy at the prodigious rate of4.6 1026 W. At what rate does this star convert mass into energy
Suppose in the double slit experiment, the wave amplitudes at a point on the screen coming from slit A and slit B are +3 and +5 units, respectively and the counting rate from slit A alone is 60 counts/sec. What is the counting rate from slit B alo..
What is the x component of the net electric field at the origin? What is the y component of the net electric field at the origin? Calculate the magnitude of the net electric field at the origin due to these two point charges.
Calculate an approximate ratio of the electronic specific heat to the lattice specific heat of lithium at room temperature. (Hint: Use the results of Example 13-2, and justify this use.)
A uniform 2 kg cylinder of radius 0.15m is suspended by twostrings wrapped around it. obtain the acceleration of the center of mass of the cylinder
What is the speed of the block of clay right after the collision. What impulse does the clay exert on the block.
A television station broadcast on a frequency of 89 MHz. Whatis the wavelength of the electromagnetic wave?(m) What is the length of the antenna
What is the ratio of heights to which ethyl alcohol and water are raised by capillary action in the same glass tube
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