How much work did the child do on the merry-go-round

Reference no: EM13262272

A playground merry-go-round has radius 2.90m and moment of inertia 2500kg?m2 about a vertical axle through its center, and it turns with negligible friction.

A child applies an 22.5N force tangentially to the edge of the merry-go-round for 24.0s . If the merry-go-round is initially at rest, what is its angular speed after this 24.0s interval?

How much work did the child do on the merry-go-round?

What is the average power supplied by the child?

Reference no: EM13262272

Questions Cloud

What is the operating cash flow : Your firm has net income of $322 on total sales of $1,300. Costs are $720 and depreciation is $120. The tax rate is 30 percent. The firm does not have interest expenses. What is the operating cash flow?

Does the transition depend on the size or shape of the grid : The general belief is that the system exhibits a sharp phase transition from free flowing to fully jammed, as a function of initial density of cars. The existence of this sharp transition has been cited in the scientific literature several hundred..

What is the change in net working capital : At the beginning of the year, a firm has current assets of $323 and current liabilities of $227. At the end of the year, the current assets are $483 and the current liabilities are $267. What is the change in net working capital?

What was the percentage increase per year in the winner : In 1895, the first a sporting event was held. The winner's prize money was $170. In 2007, the winner's check was $1,164,000.

How much work did the child do on the merry-go-round : A playground merry-go-round has radius 2.90m and moment of inertia 2500kg?m2 about a vertical axle through its center, and it turns with negligible friction. How much work did the child do on the merry-go-round

What is the price of the stock today : If the required return is 12 percent, what is the price of the stock today?

Determine what is the motors full load efficiency : A 30hp 3 phase 360v 60 Hz induction motor has total internal losses of 2,500 watts when operating at full load. What is the motor's full load efficiency

Explain the role of the citric acid cycle : Describe the role of the citric acid cycle as a central metabolic mechanism. Explain what happens to the cells' abilities to oxidize acetyl CoA when intermediates of the cycle are drained off for amino acid biosynthesis.

What will you pay for a share today : Antiques R Us is a mature manufacturing firm. The company just paid a $10 dividend, but management expects to reduce the payout by 8 percent per year indefinitely.

User Account

All Pages