A Carnot heat pump supplies 3900 W to keep a room at 23°C while drawing energy from the outside air at the rate of 3400 W. What is the outside air temperature?

Q: Convert 155 km/hr to m/s Answer: 43 I.

A:

Q: A heart beats 264 beats in 3 minutes. What is the unit rate?

A: Unit rate = Total number of heartbeatTotal time

Q: IN: Kg. m S2

A: Given data:  Force (F) = 1 N Required: Value in kg.m/s2

Q: Question number 1 is not 1.43

A:

Q: 987 m/s = = km/hr 4392 km/h = m/s

A:

Q: A car is moving at 35.0 mi/h. Express its speed in (a) m/s .

A: The distance an item travels in a unit of time is the definition of speed in physics. In other…

Q: 10. A cyclist travels at a speed of 20 km/hour. How far will he travels in 5 hours?

A: Given data:  Speed of cyclist (v) = 20 km/hour Time (t) = 5 hours

Q: says 3.55 is wrong

A: Here,  Area under the Force and time curve is 15 Ns . (area calculation from above solution is…

Q: answer only D, E and F

A: Mass of the puck is m1 Mass of the additional is m2 Distance traveled by the additional mass is h

Q: whats the mass of a hydrogen proton?

A: To give : Mass of hydrogen proton

Q: That's not the correct answer! The answer is 45 m

A: P = 1.3 MW v = 9.5 m/sCp = 0.36rho = 1.225 kg/m^3

Q: None

A:

Q: my quiz shows the answer as 10?

A:

Q: Convert 21 m/s to km/hr.

A: Given data:  21 m/s Required: The value of 21 m/s in km/hr

Q: o its just the same answer youre just adding a degree sign

A: Yes , according to laws of reflection angle of incidence is equal to angle of reflection.

Q: Solve and match the answer

A:

Q: An airplane flying horizontally with a speed of 500 km/h at a height of 800 m fires a crate of…

A: we have given  height of the projectile h =800m  initial velocity of airplane  ua = 500 km/h =…

Q: IJ 0

A: Hey, since there are multiple subparts  posted, we will answer first three subparts. If you want any…

Q: what's the answer of letter D

A:

Q: A sound travels down a hallway that is 124 m long. Then it echoes and returns back to the source. If…

A: Write the given values with the suitable variables. s=124 mv=347 m/s Here, s and v are the length of…

Q: As 3 4 2.

A:

Q: A train shown is traveling at a speed of 45mi/hr. A constant braking force of 4300 lbs is applied to…

A: As given, Initial velocity of the system, v1=45 mihr Convert the units of the velocity of the two…

Q: 987 m/s = km/hr 4392 km/h = = m/s

A: Given: Convert the following velocities  v1 = 987 m/s to km/hr v2 = 4392 km/hr to m/s

Q: Is the answer 161.91W?

A: From the solution of previous problem, R1 = 23.314 Ω Using, R2=R1[1+α(Tf−Ti)]…

Q: 23 m/s to km/hr?

A: Given 23 m/s we have to convert into km/hr as we know 1km=1000m so 1 m=11000km 1hr=60 min=3600 sec…

Q: A diamond ring was reduced from $699.99 to $499.99. Find the percent reduction in the price. The…

A: initial price, A = $699.99  Final price, A'= $499.99

Q: Each morning, George goes for a walk. He begins walking slowly at a constant speed away from his…

A: Phases of the George’s walk: 1. Walks slowly at constant speed away from his house. 2. Then he slows…

Q: - 40. A 2.00-kilogram mass is at rest on a horizontal surface. The force exerted by the surface on…

A: Part (40): Given: The mass of the object is 2 kg.

Q: A cannonball is launched diagonally with an initial horizontal velocity of 38.0m/s. Label the…

A: (1) Given: The initial horizontal velocity is 38.0 m/s. The angle of launch is 23.0°.

Q: The answer is wrong! The correct answer is 3.62. How do i get this answer

A:

Q: Can you please answer def as a followup if thats allowed?

A:

Q: 4 m2 = ? ft2 4 ft2 = ? m2

A: 1 m2 = 10.763 ft2. and 1ft2 = 0.0929 m2.

Q: Says 1.62 is wrong

A: