Please help me find the following physics questions and do show your work please.
Please help me find the following physics questions and do show your work please. Problem 8.47...
A merry-go-round has a mass of 1440 kg and a radius of 7.50 m. how much net work is required to accelerate it from rest to a rotation rate of 1.00 revolution per 7.00 s? Assume it is a solid cylinder.
A merry-go-round has a mass of 1600 kg and a radius of 7.80 m . How much net work is required to accelerate it from rest to a rotation rate of 1.00 revolution per 9.50 s ? Assume it is a solid cylinder.
Please help me with this problem and show your work. Thank you! II Review An electron accelerated from rest through a voltage of 710 V enters a region of constant magnetic field. Part A If the electron follows a circular path with a radius of 16 cm , what is the magnitude of the magnetic field? Express your answer using two significant figures. Ivo AEO FR ? ха хь a b x x X <% [X] X.10n 4 B =...
Please help! I got this wrong. Please show work too. Thank you! Find the number of atoms in a copper rod with a length of 9.90 cm and a radius of 1.00 cm. The density of copper is 8.96 g/cm3 Express the number of atoms to three significant figures or x ion 芻 2.64 1022 Cu atoms Submit Previous Answers Request Answer X Incorrect; Try Again; 5 attempts remaining
Hi please help me do this problem and show your work. Thank you! Problem 21.79 < 2 of 3 II Review A flash unit for a camera has a capacitance of 1800 uF Part A What resistance is needed in this RC circuit if the flash is to charge to 90% of its full charge in 21 s? Express your answer using two significant figures. ΑΣΦ ? R = 544 k12 Submit Previous Answers Request Answer X Incorrect; Try Again;...
Please help me with these questions. The last I am on my last try. Constantly get it wrong. Thank you Your spaceship, traveling at 0.91c, needs to launch a probe out the forward hatch so that its speed relative to the planet that you are approaching is 0.94c. Part A With what speed must it leave your ship? Express your answer to two significant figures. Η ΑΣφ PS F1 ? uz с Submit Previous Answers Request Answer X Incorrect; Try...
Physics Question: Please provide an answer with shown work! Problem 9.12 Part A Friends throw snowballs at the wall of a 3.0 m × 6.0 m barn. The snowballs have mass 0.10 kg and hit the wall moving at an average speed of 6.0 m/s. They do not rebound. Determine the average pressure exerted by the snowballs on the wall if 60 snowballs hit the wall each second Express your answer to two significant figures and include the appropriate units....
Can someone show me how to solve this with steps, please? 5. Find work done on accelerating a solid cylinder (of mass M-2kg and radius R-20cm) from rest to 20rad/s. Ignore friction. I1/2MR.
Please help me with these physics practice questions thanks and God bless :( Q16. Consider the box in the drawing. We can slide the box up the frictionless incline from point A and to point Cor we can slide it along the frictionless horizontal surface from point to point Band then lift it to point How does the work done on the box along path A-c to the work done on the box along the two step path A greater...
Please show your full work for the following problem, thanks: Constants Periodic Table Part A f 18.00 mol of helium gas is at 17.0 °C and a gauge pressure of 0.320 atm Calculate the volume of the helium gas under these conditions Express your answer using four significant figures. A2c V0.304 Submit Previous Answers Request Answer X Incorrect, Try Again; 4 attempts remaining Part B Calculate the temperature if the gas is compressed to precisely half the volume at a...