A heat pump has a coefficient of performance of 2.2 in heating mode. If it requires 140 J of work per cycle, how much heat per cycle does it put into the hot reservoir? How much heat per cycle is pulled in from the cold reservoir

Q: In the figure, one end of a uniform beam of weight 150 N is hinged to a wall; the other end is…

A: Free body diagram:

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

A:

Q: water n = 19m calculate fir A r FH Th 3m 4m 3h

A:

Q: Two horses are pulling a barge with a mass 4000 kg along a canal, as shown in Figure 4.8 in the…

A:

Q: A 3. D. 3m

A: The path diagram for the given condition is,

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

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

Q: 9. Convert 3.14 rad into degree. OA. 180 OB. 45 O C. 60 OD. 30

A: According to question we need to convert rad to degree .

Q: 8. A car travels at 40kph for 2 hrs, at 50 kph for 1 hr and at 20 kph for 0.5 hr, find the average…

A:

Q: The figure shows vertical parallel plates of length L=5 cm separated by 4 cm. Electrons (mass me =…

A: Given : Length of the parallel plates L=5 cm distance between plates d=4 cm=0.04 m distance from…

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: 122 km/hr = mile/hr

A:

Q: Convert 41.4 m/s to units of km/hour.

A: Given data:  Speed (v) = 41.4 m/s Required: Speed in units of km/hr

Q: How many significant figures has the number 1086.035.

A: Question: How many significant figures has the number 1086.035

Q: In the figure, block 1 has mass m₁ = 450 g, block 2 has mass m₂ = 510 g, and the pulley is on a…

A:

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: 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: 18.) Determine the amount of energy, in joules, stored in a defibrillator's 17.0 – µF capacitor that…

A:

Q: (b) The magnitude of the resultant force acting on the bracket as shown in Figure Q1(b) is to be Fr…

A: We have three forces F1, F2 and F3 where F2=200 N, F3=260 N and resultant Fr=500 N making an angle…

Q: QUESTION 6 A crate is sliding on a level surface with coefficient of kinetic friction, uk, while it…

A:

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

A:

Q: mine the vertical component of ess your answer to two signi ive value if the force is upwa

A:

Q: What is 8'(q0,100101) B: 93 A: 92 ОВ OD OE ОА ос 4 ? С: (91.93 D: 92 E: 91

A: q0 reading 1 will go to state q1q1 reading 0 will go to state q1q1 reading 0 will go to state q1q1…

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:

Q: The diagram represents a standing wave on a string. Which harmonic is this?

A: Given data: The figure of a standing wave is given.

Q: A diver of mass 67.0 kg stands on one end of a diving board of mass 25.4 kg, as shown in the…

A:

Q: 1 Metric ton = k

A: Metric ton is  unit of weight

Q: Don't use chat gpt It

A: Step 1:Step 2:Step 3:

Q: How many significant digits does 1200 have? O 2 O Unknown О з 4.

A: Significant figures are the number of digits in a value, often a measurement, that contribute to the…