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A 296 kg log is pulled up a ramp by means of a rope that is parallel to the surface of the ramp. The ramp is inclined at 30.0° with respect to the horizontal.
Two capacitors C1 and C2 are connected in series to a 9V battery. The magnitude of the charge on each plate of C1 is 7.5μC. The value of C1 is 2μF. What would be the equivalent capacitance if
A 40.0 cm diameter circular loop is rotated in a uniform electric field until the position of maximum electric flux is found. The flux in this position is measured to be 5.20*10^5 N*m/C. What is th
A beaker with 185 of an acetic acid buffer with a pH of 5.00 is sitting on a benchtop. The total molarity of acid and conjugate base in this buffer is 0.100 . A student adds 4.80 of a 0.350 solution
A uniform, upward-riected electrical field exist in teh region between the plates, and the field exerts an electic force down on the electon. Describe the movement of the electron in the region.
How fast would she have been traveling if yellow light of wavelength 576 nm had been shifted to green with a wavelength of 554 nm?
How much heat would be required to warm earths oceans by 1.0 degrees C? the volume of the earths oceans is 137 x 10 to the 7th power and km to the 3rd power.. the density is 1.03g/cm to the 3rd pow
Two capacitors each have a capacitance C, and a third capacitor has a capacitance C/2. If the first two are connected in series, and the series configuration is connected in parallel to the third, h
An aluminum cup contains 225g of water and at 27 C. a 400-g sample of silver at an initial temperature of 87 C is placed in the water. a 40g copper stirre is used to stir the mixture until it reache
The melting point of pure simazine is 225 - 227 °C. If the melting point of your product was different, what could be the explanation? What are possible causes for obtaining a low percent yield
A satellite moves in a circular orbit around the Earth at a speed of 5300 m/s. Determine the satellite's altitude above the surface of the Earth. Determine the period of the satellite's orbit.
A student spots an unknown sample on a TLC plate. After developing in hexanes/ ethyl acetate 50:50, he/she saw a single spot with an Rf of 0.55. Does this indicate that the unknown material is a pur
A good rule of thumb is to use relativistic equations whenver the kinetic energies determined classically and relativistically differ by more than 1%. Find the speeds when this occurs for (a) electr
A 4.0 ohm resistor, an 8.0 ohm resistor, and a 12 ohm resistor are connected in series with a 24 v battery. What are (a) the equivalent resistance and (b) the current in each resistor?
Determine the change in boiling point for 300.0 g of carbon disulfide (Kb= 2.34 degrees C kg/mol) if 35.0 g of a nonvolatile, nonionizing compound is dissolved in it.
What is the tension in the string? What is the force causing the centripetal acceleration of the puck? What is the speed of the puck?
A large balloon is initially filled to a volume of 25.0 L at 353 K and a pressure of 2575 mm Hg. What volume of gas will the balloon contain at 1.35 atm and 253 K?
Two long parallel wires 20 cm apart are carrying currents 5 A and 8A in the same direction. Is there any point between the two wires where the magnetic field is zero?
A tire placed on a balancing machine in a service station starts from rest and turns through 4.85 revolutions in 1.41 s before reaching its final angular speed. Calculate its angular acceleration.
Light of wavelength 589 nm falls on a photoelectric surface and electrons of maximum kinetic energy 0.21 eV are emitted. Find the work function and the cut-off frequency of the surface.
A dentist's drill starts from rest. After 3.91 s of constant angular acceleration it turns at a rate of 2.74E+4 revolutions per minute. Find the drill's angular acceleration. Determine the angle thr
A small button placed on a horizontal rotating platform with diameter 0.330m will revolve with the platform when it is brought up to a rotational speed of 35.0m , provided the button is a distance
What are the least stable chair conformations of of 2-tert-butylcyclohexanol. i reviewed the stable ones, but the least stable ones are giving me problems.
When 1,2-cyclohexanediol is dehydrated in the presence of concentrated sulfuric acid, the major product is not an alkene. Instead, you get cyclohexanone as the major product.
A 24.0 kg sled is being pulled across a horizontal surface at a constant velocity. The pulling force has a magnitude of 88.5N and is directed at an angle of 30.0degress above the horizontal. Deter