sandhya

This page lists questions and answers that were posted by visitors named sandhya.

Questions

The following questions were asked by visitors named sandhya.

A ball is thrown up in the air with an initial speed of V. If the air exerts a constant frictional force F on the ball, show that H = (V^2) / 2(g+F/m)

A 25 ft long crane supported at its lower end by a pin is elevated by a horizontal cable. A 250 lb load is suspended from the outer end of the crane. The center of gravity of the crane is 10 ft from the pin and the crane weighs 200 lb. What is the tension...

c) An equilateral triangle of side 3 cm each is given, How many triangles can be made from this equilateral triangle of 1cm?

1.A round wooden log of diameter 73cm floats with half of its radius above water. Determine the log’s density 2.An ideal gas doubles its volume in one of three different ways: at constant pressure, at constant temperature, and adiabatically. For each meth...

A 50g ice cube is added to 110g of water in a 62g aluminum cup. The water and cup initially have a temperature of 23°C. Find the initial temperature of the ice cube such that all of the water is just turned to ice. Use the following specific heats: water...

A one tonne moon obiter is to approach the moon and orbit through 270 degrees at an altitude of 100km. During this period its rockets are to be turned off. What is the required velocity of the obiter at the entry point to prevent the vehicle from crashing...

Does the formula Sum of internal angles of a polygon = (n - 2)x180 degrees, where n represents number of sides, work for polygons of interacting sides?

What is the relation between the average velocity in a given time interval and the instantaneous velocity in the interval?

The number of significant figures in 0.00150 is ....

Two particles are created in a high-energy accelerator and move off in opposite directions. The speed of one particle, as measured in the laboratory, is 0.700 c , and the speed of each particle relative to the otheris 0.920 c . What is the speed of the se...

One kilogram of water vapor at 200 kPa fills one side of a partitioned chamber. The right side is twice the volume of the left and is initially evacuated. Determine the pressure of the water after the partition has been removed and enough heat has been tr...

Consider two closed systems A and B. System A contains 3000 kJ of thermal energy at 20°C, whereas system B contains 200 kJ of thermal energy at 50°C. Now the systems are brought into contact with each other. Determine the direction of any heat transfer be...

Consider two identical rooms, one with a refrigerator in it and the other without one. If all the doors and windows are closed, will the room that contains the refrigerator be cooler or warmer than the other room? Why?

A rocket has an exhaust gas velocity of 2329 m/s and an expelled gas rate of 6761 kg/s. If it has a mass of 1.82 × 10^6 kg what is its initial acceleration ?

A 1-kg mass hangs by a string from a disk with radius 5.1 cm which has a rotational inertia of 5 × 10-5 kg•m2. After it falls a distance of 1.4 meters, how fast is it going? What is the angular velocity of the disk?

A 27 g bullet traveling at 297 m/s is fired into a 0.468 kg wooden block anchored to a 100 N/m spring. How far is the spring compressed

from fdr's first inaugral speech ,how did he attempt to win the support of the american people for his leadership during the economic crisis of the great depression

a ball rolls down a roof that makes an angle of 30 to horizontal.it rolls off the egde with a speed of 5.00m/s.distance to the ground from that point is 7.00m a)how long is the ball in the air b)how far from the base of the house does it land? c)what is i...

assignment on common man's crusade

what is the difference between deadlock and stravation

Rewrite the sentence without changing the meaning. It doesn't matter

find the sum to 20 terms of an A.P. whose 4th term is 7 and 7th term is 13

essay on overview of labor scenario in India comparing two states in India

which of the following is a browser

if 360 is shared in the ratio 3:7what is the smallest share

Answers

The following answers were posted by visitors named sandhya.

I am unable to visualize a rolling railroad car passing by a grain elevator

Does the formula Sum of internal angles of a polygon = (n - 2)x180 degrees, where n represents number of sides, work for polygons of intersecting sides? correction please 'intersecting' in the place of 'interacting'

Thanks a lot for your help

Thanks for the timely help

One kilogram of water vapor at 200 kPa fills one side of a partitioned chamber. The right side is twice the volume of the left and is initially evacuated. Determine the pressure of the water after the partition has been removed and enough heat has been tr...

The room that contains the refrigerator will be warmer than the other room

thanks for your timely help.

Distance is pi(R) but displacement is only 2R ,the diameter of the semi-circle

mistakes motivate me to become a good speaker

It would be helpful if you could tell me the framework of how to go about the above assignment that i mentioned? and also sources from where I can get the data and explanations?

Thank you so much for the help!