An astronaut’s pack weighs 17.5 N when she is on the earth

Introductory Chemistry 5
How many joules of nutritional energy are in a bag of chips with a label that lists 245 Cal? If 1 lb of fat is stored by the body for each \(14.6\times10^3\mathrm{\ kJ}\) of excess nutritional energy consumed, how many bags of chips contain enough nutritional energy to result in 1 lb of body fat?

Statistics for Engineers and Scientists 4
Two batteries, with voltages \(V_1\) and \(V_2\), are connected in series. The total voltage V is given by \(V=V_1+V_2\). Assume that \(V_1\) has mean 12 V and standard deviation 1 V, and that \(V_2\) has mean 6 V and standard deviation 0.5 V. a. Find \(\mu_V\). b. Assuming \(V_1\) and \(V_2\) to

Physics with MasteringPhysics 4
Problem 9P CE Predict/Explain Two youngsters dive off an overhang into a lake. Diver 1 drops straight down, and diver 2 runs off the cliff with an initial horizontal speed v0.(a) is the splashdown speed of diver 2 greater than, less than, or equal to the splashdown speed of diver 1? (b) Choose the be

Macroeconomics 22nd
What determines the vertical intercept of the Security Market Line (SML)? What determines its slope? And what will happen to an assets price if it initially plots onto a point above the SML?

Plant Systematics 3
What criteria are used to distinguish between ovule types? Which type is most common and ancestral in the angiosperms?

Principles of Economics 9
Which of the following is an example of a positive externality? a. Dev mows Myras lawn and is paid $100 for the service. b. Devs lawnmower emits smoke that Myras neighbor Xavier has to breathe. c. Myras newly cut lawn makes her neighborhood more attractive. d. Myras neighbor Xavier offers to pay her

Physical Science 11
According to the definition of mechanical work, pushing on a rock accomplishes no work unless there is a. movement. b. a net force. c. an opposing force. d. movement in the same direction as the direction of the force.

Introductory Chemistry: A Foundation 9
How does equilibrium represent the balancing of opposing processes? Give an example of an equilibrium encountered in everyday life, showing how the processes involved oppose each other.