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A 5-g lead bullet traveling in 20oC air at 300 m/s strikes a flat steel plate and stops. What is the final temperature of the lead bullet? (Assume the bullet retains all heat) The melting point of l
The stones are thrown with the same speed of 8.88 m/s. Find the location (above the base of the cliff) of the point where the stones cross paths.
When enzymes are present in very low concentrations, their effect on the rate of a reaction can be described using first-order kinetics.
A daredevil decides to jump a canyon. Its walls are equally high and 15 m apart. He takes off by driving a motorcycle up a short ramp sloped at an angle of 10°. What minimum speed must he have i
Starting with a 0.1M solution and making a series of 1:100dilutions, how many dilutions must be made to prepare a solution,that on average, has fewer than one molecule of soute per liter of solvent?
The entering car maintains its acceleration. How much time is required for the entering car to catch up with the other car?
Suppose that the turntable achieves its angular speed by starting from rest and undergoing a constant angular acceleration for 0.30 s. Calculate the minimum coefficient of static friction required fo
How many grams of propane are required to be burnt in order tochange 100g of ice at 0 degrees celcius into steam at 110 degrees celcius?
A piece of conductor of length 0.4 m is moving in a uniform magnetic field of strength 0.5 T. Its velocity is perpendicular to the magnetic field. Its speed is 1.5 m/s. The electromotive for in the
A long solenoid carries a current of 10 A. The coil is wound 500 turns per meter. a) The direction of the magnetic field in the solenoid is pointing to?
A parallel-plate air filled capacitor having area 66cm2 and plate spacing 4.0mm is charged to a potential difference of 350V. Find (a) the capacitance (b) the magnitude of the charge on each plate (
Suppose you wished to find the percent of alcohol in a alcoholic beverage. Alcohol has a density of 0.79 gram/mL and water has density of 1.00gram/mL. Describe how you would use a hydrometer to acco
You cannot take a TLC and visualize the separation of cis- and trans-2-butene because they are so volatile that they will evaporate before being detected. In theory, which isomer would have the lowe
A long air-core solenoid of 450 turns, length 25 cm and diameter 3.0 cm carries a current 4.0. Find: a) the self-inductance of the solenoid
Use conservation of energy to calculate the distance the mass moves up the plane.
Compound Xdissolves in water and needs to be extracted with an organicsolvent. Its solubility in toluene is 0.65 g/mL, in ethanol is 20g/mL and in methylene chloride is 12.5 g/mL.
What is the electric field's magnitude at the point (x,y)= (12.2 cm, 0.00 cm)?
The time for the potential difference across the plates to decrease to 0.800 V is measured by a clock inside the game. If the range of discharge times that can be handled effectively is from 10.0&m
A worker stands still on a roof sloped at an angle of 30° above the horizontal. He is prevented from slipping by a static frictional force of 570 N. Find the mass of the worker.
What is the direction of the force exerted on this particle by a magnetic field with magnitude 2.00 T in the -x direction?
Construct a flow chart for the separation and isolation of triphenylmethanol and 4-ethylaminobenzoate. Includes tructures of all organic compounds and balance any chemicalre actions.
If an 50/50 unknown mixture of a neutral organic compound and a basic compound, or acidic compound isgiven. Just by neutralizing the NaOH and the HCl extracts with the opposite acid/base.
When each sphere has a charge of +1.60 µC, the spacing doubles. Assuming that the spheres have a negligible diameter, determine the spring constant of the springs.
A mosquito collides head-on with a car traveling 60mph. Is the magnitude of the mosquito's acceleration larger than, smaller than, or equal to the magnitude of the car's accleration? Please Explain.
A sheet of steel 2.5 mm thick has nitrogen atmospheres on both sides at 900 C and is permitted to achieve a steady-state diffusion condition.