3. The thermal radiation from the earth's surface peaks at a wavelength of approximately 10 μm. If the surface of the earth warms, this peak will A. Shift to a longer wavelength. B. Stay the same. C. Shift to a shorter wavelength.

Q: 4. If an elevator with a mass of 200kg rises 50m up a building with a total passenger mass of 125kg,…

A:

Q: If there is no friction, calculate the time it takes for the object to reach its highest point.…

A:

Q: 7 5 6 3 ·x

A:

Q: The unit of work is a combination of the units of   A force and displacement   B force and…

A:

Q: A flower vase on a table slides off horizontally with a speed of 1.50 m/s. It statter in pieces on…

A: Given data: Initial velocity (u) = 1.50 m/s, horizontally Time (t) = 0.450 s Required: The height of…

Q: If the speed at x = 1, v(r = 1) = 3 m/s then the speed at x = 0, v(x=0) is:

A:

Q: O X Z y Ox y N F LL B

A:

Q: If a plane has a mass of 1.4x10^6 kg, and if its speed is 1.8x10^2 m/s, what is its kinetic energy?

A: Given data:  Mass (m) = 1.4×106 kg Speed (v) = 1.8×102 m/s Required: Kinetic energy (KE)

Q: The potential energy of earth at aphelion

A:

Q: If all the items in the figure have the same mass,which two items will have the same gravitational…

A: Let mass of each object A, B, C, and D = m  The acceleration due to gravity = g ( for each object).…

Q: Which one of the following is NOT the unit of power? Watts Íb/s Nm/s O J/s

A: Power is rate of change of energy.

Q: Which of the following quantities represent mass? 12.0 lb 0.34 g 120 kg 1600 kilanewtons (kN)…

A: Given 12.0 lb 0.34 g 120 kg 1600 kilanewtons (kN) 0.34 m 411 cm

Q: A force of 49 N raises a 5 kg object 0.82 m upwards. How much work was done by the force?

A:

Q: What is the potential energy of a body in space?

A: Potential energy is,

Q: 3. What is the gravitational potential energy of a 4 kg bowling ball 1 m above the ground?

A: The formula for gravitational potential energy(P)= mass(m) x gravitational acceleration(g) x…

Q: What is the gravitational potential energy of the earth as it orbits the sun?

A: Here we have to find out gravitational potential energy of the earth as it orbits the sun.

Q: How much work (in J) must be done to lift a stack of bricks, which has a mass of 700 kg, from the…

A: mass m = 700 kg height h = 13 m g = 10 m/s2

Q: A force of 49 N raises a 5 kg object 0.61 m upwards. How much work was done by the force?

A: Applied force (F) = 49 N Mass (m) = 5 kg Distance moved (d) = 0.61 m (upwards)

Q: Convert the following: 365 miph to m/s 98 rev/min to rad/s 4585 kJ/kg to BTU/lb

A: According to question we need to convert unit of given quantity.

Q: 5) The Zarya Module (mass = 1.93x10 4kg) was launched in 1998 at the Baikonur Cosmodrome in…

A:

Q: The unit of Power (P) is

A: We have to answer the unit of Power (P)

Q: A satellite of mass  243kg orbits the Earth at a constant speed in a circular orbit. The work done…

A: Given : Mass of a satellite (m) = 243 kg

Q: 16. One of the physical quantities shown below is a scalar that is always positive. Which one is…

A: Correct option  1. Kinetic Energy

Q: 3. Refer back to Figure 8.1. For which types of electromagnetic radiation is the atmosphere of the…

A: Required : For which type of electromagnetic radiation, is the atmosphere of the Earth completely…

Q: In which situation will the object have the largest gravitational potential energy? a squid deep in…

A: The potential energy is the work done by the external force. The gravitational force is a central…

Q: How high would a 4.8 kg squirrel has to climb a tree to have a gravitational potential energy of 52…

A: GivenGravitational potential energy = 52 JMass of squirrel (m) = 4.8 kg