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Crew members attempt to escape from a damaged submarine 95 m below the surface. What force must be applied to a pop-out hatch, which is 1.05 m by 0.75 m, to push it out at that depth? Assume that t
A roller coaster (335 kg) moves from A (5.00 m above the ground) to B (28.0 m above the ground). Two nonconservative forces are present: friction does -2.00 104 J of work on the car, and a chain me
write x-versus-t equations of motion for both cars, taking east as the positive direction. (b) at what time do the cars pass next to one another?
A drunken sailor stumbles 420 meters north, 370 meters northeast, then 320 meters northwest. What is the total displacement and the angle of the displacement?
For the cyclist in this 27.0 s interval, what are the (a) magnitude and (b) direction of the displacement, the (c) magnitude and (d) direction of the average velocity, and the (e) magnitude and (f)
What are the heat input to the gas and (d) the pressure ratio pmax/pmin (e) show the process on a pV diagram using proper scales on both axes.
Neglecting air resistance, when the package hits the ground, the plane will be
It then begins to rain and you slow to 63 . You arrive home after driving 3 hours and 20 minutes. How far is your hometown from school?
The acceleration occurs as the pitcher holds the ball in his hand and moves it through an almost straight-line distance of 2.9 m. Calculate the acceleration, assuming that it is constant and uniform
Find the magnitudes of (a) the net force acting on the electron and (b) the electric force.
What is the average power required of the car during the 30 s interval?
Leaving the distance between the 247 kg 377 kg masses fixed, at what distance from the 377 kg mass (other than infintely remote ones) does the 52.7 kg mass experience a net force of zero?
Consider the Sun to be at the origin of an xy-coordinate system. A telescope spots an asteroid in the xy-plane at a position given by (x, y) with a velocity given by (vx, vy).
The ones that leave as positive, what is the net number of field lines that penetrate the spherical surface? What is the net electric flux through this spherical surface?
The perihelion distance from the sun for the planet Uranus is 2.750 ×10^9 km; the aphelion distance is 3.000 ×10^9 km.
Compute the optimal order quantities,order intervals, and annual cost for bar stock and sheet stock. What fraction of the total annual (holding plus order) cost consist of fixed trucking cost?
A concave mirror has a radius of curvature of 23.5 cm. How far is an object from the mirror if the image formed is (a) virtual and 4.85 times the size of the object, (b) real and 4.85 times the siz
Determine the magnitude of the force from the ground on each front wheel (assuming equal forces on the front wheels).
A series circuit consists of 3 resistors R1.R2,R3 connected to a source, if the voltage drop across R1 is 50V ,when the circuit current is 2A and R2 is 4R3. Calculate value of resistance
How is the effectiveness of powers-of-2 order intervals related to the results of the previous problem regarding the effect of demand forecasting errors? 7)
You select a rental package that includes a car with an average consumption of 6.00 rm liters of fuel per 100 rm km. Considering that in Europe the average fuel cost is 1.063 rm euros/ liter, how m
A) Provide an example of one alternative renewable energy source. B) Write an energy transformation equation for the energy produced by this energy source transforming into electrical energy.
Suppose 4.00 mol of an ideal gas undergoes a reversible isothermal expansion from volume V1 to volume V2 = 4V1 at temperature T = 250 K. Find (a) the work done by the gas and (b) the entropy change
What percentage increase in cost was used by the 100 percent demand forcasting error? What does this tell you about the sensitivity of the EOQ model to error in the data?
You are installing a new spark plug in your car, and the manual specifies that it be tightened to a torque that has a magnitude of 97 N·m. Using the data in the figure, determine the magnitud