1 KWH is equal to А. 3.6 х 10° J В. 3.6 х 10* J С. 3.6 х 108 J D. 3.6 x 105 J
Q: A coin slides over a frictionless plane and across an xy coordinate system from the origin to a…
A: The magnitude of the displacement of the coin is given by, d=xf-xi2+yf-yi2 Here, xi,yi is the…
Q: A 0.190-kg wooden rod is 1.20 m long and pivots at one end. It is held horizontally and then…
A: Given, Mass of rod, m=0.19kg Length of rod, L=1.2m
Q: How much power is provided by a motor if it does 27 J of work in 3.0 seconds?
A: Work = W = 27 J Time = t = 3 s Power is defined as the work done per unit time. The mathematical…
Q: Calculate q when a system does 45.53 J of work and its energy decreases by 77.71 J
A: Given data: The work done by the system, W=45.53 J. The change in internal energy of the system,…
Q: 4. In the figure shown, determine the work done by the gravitational force on a 5.50-kg particle as…
A:
Q: ••27 In Fig. 27-40, the resis- tances are R, = 1.0 n and R, = 2.0 0, and the ideal batteries have…
A: As given, The resistor, R1=1 Ω The resistor, R2=2 Ω The emf voltage, ε1=2 V The emf voltage, ε2=ε3=4…
Q: How much work is done by pulling the box in the figure for distance 20 em F-30 N 60 O 300 N O 3J O O…
A:
Q: Calculate q when a system does 49.67 J of work and its energy decreases by 77.26 J.
A:
Q: A Small source enmits san d wayes Jo mad output of o the intensity g.00 80.0 W. Q. Find n from the…
A: Power output of a small sound source= 80 W
Q: A force (3x'i • 2y'i) N acts on an object as the object moves in the x-direction from the origin to…
A:
Q: For each of the following, is W-R positive, negative, or zero? A B F ф B d A d B W- is is WA-B A B A
A: The expression of work done is given by, W=Fdcosϕ Here, F is the force, d is the distance traveled,…
Q: Calculate the power dissipated in R5. R1-6n www R2-30 R3-6 n R4=2 n Rs =6n E= 19.8 V Rs =4n ww
A:
Q: SITUATION 7: A factory worker pushes a 30-kg crate a distance of 4.5m along a level floor at…
A: Given data: Mass of crate (m) = 30 kg Distance (d) = 4.5 m Velocity is constant. Coefficient of…
Q: A force (2î -4ON moves an object from the point P (1, 3) m to the point O (3, 8) m. The work (in )…
A:
Q: Part An ice cube is placed in a microwave oven. Suppose the oven delivers 135 W of power to the ice…
A: Given data: Power (P) = 135 W Energy (E) = 31200 J Required: Time (t)
Q: 7. Determine the power consumed (in kW) by the heating coil in the following diagram. heating coil…
A:
Q: SI unit of power is the Watt (W).
A: This question is based on Unit dimensions .
Q: Calculate q when a system does 46.33 J of work and its energy decreases by 73.53 J. Round your…
A: Given data The amount of work is given as W = 46.33 J. The amount of energy decreased is given as…
Q: 59. a. Find the amount of work done in lifting a 50-lb weight upward 5 ft. b. If 200 N of force is…
A: a. the amount of work done is W=Fd=50 lb5 ft=250 lb-ft
Q: How much energy is required to run a 35 W light bulb for 4.0 min? a. 840 J b. 1400 J c. 140 J d.…
A:
Q: Question 7 A 74 kg man climbs a flight of stairs 12 m high in 30 s. Ho
A:
Q: A 57 kg man runs up a flight stair having a rise of 4.5 m in 3.5 s. what average power must he…
A:
Q: Q23.) A boy of mass 50 kg runs up a staircase of 45 steps in 9 s. If the height of each step is 15…
A: Given: m=50kg g=10m/s2 t=9s h=45*15 =675cm =6.75m
Q: A 1200W microwave oven transforms 1.8 x 10^5 J of energy while reheating some food. Calulate how…
A:
Q: In a dam, water is flowing at the rate of 1400 kg/s and falls from 40 m height. The power is…
A:
Q: Calculate q when a system does 57.7 J of work and its energy decreases by 71.47 J
A: Given data: Work done by system on surrounding W = -57.7 J Change in internal energy (ΔU) = -71.47…
Q: How much power is needed to lift a 750 kg elephant 14.3 m in 30.0 seconds?
A: Given data: Mass (m) = 750 kg Height (h) = 14.3 m Time (t) = 30.0 s Required: Power (P)
Q: 2. An electric drive features a 24 kWh battery pack and has a range of 170 km at a constant speed of…
A: We will answer the question by using expression relating power and energy. The details are as…
Q: 1 а 2 The work done by a conservative force between two points A and B depends on a path taken True…
A: Given data: A conservative force Object moves from Point A to B by two ways Required: The work done…
Q: An ice cube is placed in a microwave oven. Suppose the oven delivers 135 W of power to the ice cube…
A: Let the power is denoted by P and the energy be denoted by E.
Q: In the system in the figure, find the work required to bring the loads to their positions, with q =…
A:
Q: A thin long bar with axis of rotation through one end has a mass of 0.500 kg and a length of 10 cm.…
A:
Q: How many grams of matter would have to be totally destroyed to run a 100-W lightbulb for 3.0 y?…
A: Step 1: Step 2: Step 3: Step 4:
Q: A lamp consumes 1200 J of electrical energy in 13 s. What is it's Power ?
A: Given data: Energy (E) = 1200 J Time (t) = 13 s Required: Power (P)
Q: A motor consumes 15 kJ in 0.854 minutes. Calculate its power.
A: Given: Energy(E) =15kJ=15000J Time(t)=0.854minutes=51.24sec To find: Power(P)
Q: C2 C3 stion 9/10 ميز هذا السؤا ermine the energy stored in C¡ when C1 = 15 µF, C2 = 10 µF, C3 = 20…
A: Consider the circuit as drawn below:- Given values:- C1=15 μF=15 x 10-6 F ----(1) C2=10 μF=10 x…
Q: P PA (Pa) 98 B A V VA (m³) 28 Vc (m³) 92 QABCA (3) 367 A.) Determine how much WORK the system would…
A: Introduction: 1) Area under any pressure v/s volume curve represents the amount of work done by the…
Q: An object of mass M-1.5 kg moves with a velocity (5.0 i-3.0 ) M/3. n the object to change its…
A: Given values:- Mass of object,(M)=1.5 kg -----(1) Initial velocity,(VI)=5i^-3j^ m/sec -----(2) Final…
Step by step
Solved in 2 steps