Q: 10. What is the work from 6m to 8m in the diagram below? а. 2J b. 4J C. 6J d. 8J Posten m) (N
A: According to question we need to find work done from 6m to 8m.
Q: What is the kinetic energy of a 30 kg object travelling at 20 m/s? O 12kJ O0.12 kJ O 120 kJ O 12 k
A: Part (1): Given: The mass of the object is 30 kg. The speed of the object is 20 m/s.
Q: O cm and was then released ther ve forward. What is the ball's spe a) 2.30 m/s
A: Given values:- Spring constant,(k)=100 N/m=100 kg/sec2 ----(1) Spring compresssion,(x)=4 cm=0.04 m…
Q: A 0.5 kg plant falls of a building. If the original GPE was 70 J then HOW HIGH was the plant before…
A: Mass of plant (m) = 0.5 kg Original gravitational potential energy (E) = 70 Joules
Q: In 2017, solar panels on your author’s home generated 3849 kilowatt-hours (kWh) of electrical…
A: Energy generated by solar panels on author's home = 3849 kWh Energy consumed by the house at the…
Q: 1 Newton of force is applied to a stone to move 100 cm. Calculate the work done.
A: Given, Force = 1 N Displacement = 100 cm = 1 m Work done = ?
Q: With the aid of necessary equations, explain total energy of a system.
A: We know that,the total enrgy of the system is sum of enrgies posse due to motion or due to the…
Q: omrtime R Uncle Jack uses the following device to carry some veggies to sell in town. If mA is 1/10…
A:
Q: You are driving 957 miles from Houston Texas to Saint Leo FLorida. Your car gets 30 miles per gallon…
A: Given,
Q: A pitching machine uses 122J of energy to throw a baseball with a mass of 0.145kg at a speed of…
A: The given data are: Win=122 Jm=0.145 kgv==36 m/st=0.4 s Here, Win denotes the input energy, m…
Q: An object moves 18.0m [E] and 12.0m[W]. The speed of the object if this motion was completed 6.0 s…
A: here, total distance traveled = 18+12=40m *here we take the distance, hence not considering the…
Q: ed to lift a box 0.5 meters above a floor what amount of work was done to lift the box
A: GivenForce, F=12 NDistance, d=0.5 m
Q: 9. A compound wound spring has a spring constant k=2*x^2 + 18*x. It is compressed x-0 to x-0.8…
A: “Since you have asked multiple question, we will solve the first question for you. If you want any…
Q: A container with a mass of 5 kg is lifted to a height of 8 m. The work done by the external force…
A: We know that, Work done (W)= Force(F)*Displacement (d) where, F= mass(m)*acceleration(a)
Q: 25. An engine is 99% efficient. How much work could an engine that runs at 888 J produce? O 800 J O…
A: Efficiency of the engine, Heat supplied to the engine,
Q: what is the average power. Work=1885J
A:
Q: An electric kettle of 2200 W is used for 1 min. How much electrical energy is used
A:
Q: Calculate the work done by a 1500 watts appliance if it runs for 300 seconds
A: As per our guidelines, we are supposed to answer only first one question in case of multiple…
Q: As a gasoline engine is running, an amount of gasoline containing 15,000J of chemical potential…
A:
Q: In the formula W=F x d the work is measured in joules. What metric units does joules stand for?
A: Given: W = F x d
Q: A machine puts out 400 W of power for every 1000 W put into it. The efficiency of the machine is
A:
Q: What is 1kg+1m ? Select one: a. 0 O b. 2kg.m c. unknown O d. undefined e. 2(kg+m)
A: The addition of two quantities with different units are not possible. Only quantities with same unit…
Q: How fast (in meters per second) must an iron ball with a mass of 44.0 g be traveling in order to…
A: The energy gained by an object for being in motion is known as the kinetic enrgy of that object. To…
Q: A dime has mass 2.268 grams. Calculate the number of years the rest energy of a dime could be used…
A: Given data The mass of the dime is given as m = 2.26 grams. The power of the lightbulb P = 75 W.…
Q: A pair of bullocks exerts a force of 160 N on a plough . The field being ploughed is 18 m long . How…
A:
Q: One possible result of doing work on a system is the change in its Shape Speed System Composition
A: Introduction: The work is the energy transferred to or from an object via the application of force…
Q: Suppose it takes 5 ft-lb of work to compress a spring from its natural length of 4 ft to a length of…
A: As per Hooke's law when an ideal spring is compressed then force proportional to the decrease in…
Q: .Vz=20 Vand Pmax=5 W If you know that IZM Find an amount
A: Given, VZ =20V Pmax =5W We know, Pmax= Vz* Izm
Q: Calculate the energy used per day (kWh) of a car with an efficiency of 9 kilometers per liter and…
A:
Q: A crane lifts a 320 kg crate up a height of 6.5 m. The crane uses 17 kJ of energy to lift this…
A: in above question we to find the efficiency of crane.
Q: A 75 kg sprinter accelerates from 0 to 8.0 m/s in 5.0 s. What is the metabolic energy, in kJ…
A: From work energy formula we know, Metabolic energy = change of K.E…
Q: A 3.5 kg rock is at the top of a 37 m cliff. How much energy does the rock have? Your answer: O 130J…
A:
Q: A spring of spring constant k 625N/m rests on a horizontal frictioniess surface. A 025kg particles…
A:
Q: Given that the PE at A is 20 kJ and KE at A is 5.0 kJ. What is the KE at B if the height at B is 2.0…
A:
Q: The force needed to stretch a spring an amount is ½ kx2. Is this statement correct?
A: This is a problem on the application of Hook's law. Also the knowledge of force due to a spring.…
Q: A 25kg rock rolls off a 95 m tall cliff what will be the spread to f the rock when it hits the…
A:
Q: A human heart consumes about 1 J per heartbeat. About how many calories of energy must food furnish…
A:
Q: While solving a problem, a person ends up with the equation E = 16 kJ + 7 kJ/kg at some stage. Here…
A: Consider the given equation. Here, E represents the total energy in kilojoules. The equation of the…
Q: 1- Kinetic energy of mass m whose speed v is 2- is energy transferred to or from an object by means…
A: since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…
Q: A box with the mass of 20KG at 5m is lifted to 20m. How much work was done? (Use W= change in PE)
A: Given Mass of the box m = 20 kg. Initial height of box h1 = 5 m. from ground Final height of box h2…
Q: m=3Kg V=5MIS lDetermine Kinetic energy.
A: Given data : Mass of body=m Velocity of body=V Required: Kinetic energy of body
Q: 3. How much work must be done to stop a 925-kg car traveling at 95 km/h? Known & Unknown column…
A:
Q: While releasing the arrow from a stretched bow, the PE of the bow is converted into? A) chemical…
A: According to the law of conservation of energy , energy can neither be created nor destroyed but can…
Q: In a 100 m sprint, a runner starts from rest and accelerates to 9.6 [W] in 4.2 s Calculate the…
A: From the question we have: The initial speed of the runner (u)=0 Final speed (v)=9.6 m to the west…
Q: The work necessary to stretch a spring from 9 in to 10 in is 2/3 times the work necessary to stretch…
A:
Q: A spring has a spring constant of 400 N/m and is compressed by 20 cm. How much energy is stored in…
A: Given data The spring constant is k=400 N/m The compressed distance is x=20 cm=0.2 m The spring…
Q: (3) The speed of light in vacuum, c, is 3 X 105 km/s and 1 kilometer = 1000 meters. How many Joules…
A: Given: Speed of light: c = 3×105 km/s =3×105×1000 m/s =3×108 m/s Mass of the matter: m = 2 kg…
1kWh = ?
A) 3.6 x 105 J
B) 3.6 x 106 J
C) 3.6 x 10-5 J
D) 3.6 x 10-6 J
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- 4. Answer the below questions using this graph. V(V) 4 6 40 30 20 10 0 0 2 a. What is Ex at 1m? Answer: b. What is Ex at 4m? c. What is Ex at 7m? -x(m) 8) if A = = 3i+4j +2K and B= -2i +6j +5k find A. B. (A .B änjö ) جد قيمة • B1%A9 li. t LTET 4G+ Vol) O A X O U 9:-7 Second H.W.pdf 1. Draw and label the vector with these components. Then determine the magnitude and angle of the vector. a- Az = 3 ,A, = -2 b- B, = -2 ,B, = 2 2. What is the speed of horse in meter per second that runs a distance of 1.2 miles in 2.4 minutes? 3. A car moving along X- axis according on the function: X (t) = 2 t2 + 5t +7 on [1,2] Find: a- The average velocity. b- The acceleration at 3s. 4. Julie is walking around a track at a 2m/s for some exercise. She then decides to start jogging so she accelerates at a rate of 0.5m/s? for 3 seconds. How far did Julie travel from the time she started to accelerate to the end of the 3 seconds? 5. Ralph uses a 2000 to do this. force to push his car along a road for 1000 m. It takes him500 s a- Calculate the amount of work that Ralph did on the car. b- Calculate the amount of power that he generated. II
- The average life expectancy in Japan is 81 years. What is this time in SI units?mgh = 1 mv ₁ ² 2 Duph FAST 2 m = 1.00 kg 9 = 9.80 m/s² V₁ = 11 m/s ² 2 08.P Solve for hieght (h) MUN TIE10:55 > t.myexams.unisa.ac.za MENU E Frag question A. 5.0 x 108 ft³ B. 6.0 x 108 ft³ C. 8.6 x 108 ft³ D. 2.1 x 108 ft³ E. 4.8 x 108 ft³ ||| Vol) 4G LTE2 T The largest building in the world by volume is the Boeing 747 plant in Everett, Washington. It measures approximately 650 m long, 710 yards wide, and 110 ft high. What is its volume in cubic feet? O 47 71% < myExams
- - Ro.. v 12 B IU ev Av ... 3. Rank the following quantities in order from the largest to the smallest: (a) 22g, (b) 0.333kg, (c) 3.3x10 mg11. For à = 3i + j – k, B = −i + 2j + 5k, and C = 2j – 3k, find C. (A - B).the answer must be a) 1m b) 0.17Hz c) π/3s d) 5.9s e) 0.17m/s i just need the solutions on how to get that thank you
- 1. Determine the following products using the correct sign: 1.11. 1.2J.=... 1.3 jxk.. 1.4xk..A thin long bar with axis of rotation through one end has a mass of 0.500 kg and a length of 10 cm. If your angular velocity is 25 rad/s, determine your rotational kinetic energy.If A = 8.0 i 4.0 j and B = 12 i 6.0 j, which of the following is the equation that relates A and B? A. A = (1/2) B B. A = (1/3) B C. A = (1/4) B D.A = (2/3) B E. A = (2/5) B