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If the masses start from rest from the same height, what is the acceleration magnitude and direction for the 40 kg block?
A 10 kg block rests on top of a spring with stiffness 500 N/m. What force is necessary to compress the spring to a length 0.5 m less than its original shape?
The working substance of an engine is 1.00 mol of a diatomic ideal gas. Heating at constant volume to its original pressure. Find the efficiency of this cycle.
An electron with initial velocity v0 = 1.64 × 105 m/s enters a region 1.0 cm long where it is electrically accelerated (see the figure). It emerges with velocity v = 5.96 × 105 m/s. Wha
A bobsled slides down an ice track starting (at zero initial speed) from the top of a(n) 44.9 m high hill. The acceleration of gravity is 9.8 m/s2 . Neglect friction and air resistance and determine
When you drink liquid through a straw, is it more accurate to say the liquid is pushed up the straw rather than sucked up the straw? What exactly does the pushing?
At a certain time a particle had a speed of 70 m/s in the positive x direction, and 1.2 s later its speed was 39 m/s in the opposite direction. What was the average acceleration of the particle dur
How far down the hill does the shell strike if the hill subtends an beta=36.0 degrees from the horizontal? (ignore air friction.)
The radius of the sun is 695.5 x 10^3km determine (a) the mass of the Sun. (b) the acceleration of gravity at the surface of the sun.
What angle up from the ground must the hunter aim the gun so that the tranquilizer dart will hit the falling monkey? Given the angle above, what is minimum speed the tranquilizer dart must leave the
A fence post is 46.0m from where you are standing, in a direction 39.0 degree north of east. A second fence post is due south from you. What is the distance of the second post from you, if the dist
What is the current fill rate (i.e., the fraction of demand met from inventory)? b. Assume that the lead-time is reduced to two weeks, while r and Q are unchanged. What is the fill rate?
A water pipe having a 2.4 cm inside diameter carries water into the basement of a house at a speed of 0.93 m/s and a pressure of 172 kPa. The pipe tapers to 1.8 cm and rises to the second floor 7.4
It is initially held fully submerged in fresh water, with its top face at the water surface. Then it is allowed to ascend gradually until it begins to float. How much work does the buoyant force do
Determine the mass of air that escaped each tire over the course of the trip. (b) What will the tire pressure be when the air inside the tires (at end of trip) returns to 23oC?
A projectile is fired at v0=342.0m/s at an angle of theta=72.3degrees with respect to the horizontal. Assume that air friction will shorten the range bye 35.1%. How far will the projectile travel in
A dog in an open field runs 10.0m east and then 26.0m in a direction 52.0 degree west of north. In what direction must the dog then run to end up 12.0m south of her original starting point? How far
Is there any reason to believe there are two diametrically opposite points on the equator of the earth where the temperatures are exactly the same? Find at least two ways to think about the problem
John, Paul, and George are standing in a strawberry field. Paul is 10.0m due west of John. George is 35.0m from Paul, in a direction 40.0 degree south of east from Paul's location How far is George
At state 2, the pressure is 2 atm. Employing the ideal gas equation of state, determine (a) the temperature at state 2 and (b) specific volume at state 3.
After a fourth unmeasured displacement, she finds herself back where she started Use a scale drawing to determine the magnitude of the fourth displacement. Determine the direction of the fourth disp
If the hoop is 3.05 m above the ground with what speed must he launch the ball for it to go through the center of the hoop?
Consider the CuAu crystal structure. It can be described as a simple cubic lattice with a basis of Cu (0, 0, 0), Cu (1/2, 1/2, 0), Au (1/2, 0, 1/2), and Au (0, 1/2, 1/2). How many atoms of each typ
Rutile has atoms of element A at the unit cell coordinates (0, 0, 0) and (1/2, 1/2, 1/2) and atoms of element B at (1/4, 1/4, 0), (3/4, 3/4, 0), (3/4, 1/4, 1/2), and (1/4, 3/4, 1/2). How many atoms
Consider a spherical Gaussian surface and three charges:q1 = 1.59uC ,q2 = -2.46uC , and q3 = 3.58uC . Find the electric flux through the Gaussian surface if it completely encloses (a) only charges q