4 The term V/2g is known as (a) kinetic energy (b) pressure energy (c) kinetic energy per unit weight (d) none of the above

Q: Steel ball with radius of 0.06 m lays on a bottom of the lake 3 m deep. What work is needed to lift…

A:

Q: Calculate A) the conservative force described by the potential energy function U(x,y,z) = ½ k (2x³…

A: A) In case of conservative force, we know that force is the negative gradient of potential energy.…

Q: a) Find the unit vector în perpendicular to the plane shown below (a). b) Find the angle between the…

A: a) To find the unit vector perpendicular to the plane, we need to follow these steps. Find two non…

Q: 2. A power company is considering damming a river that has a steady flow rate of 175 m3/s. At the…

A: Given: The rate of flow is 175 m3/s and the flow is steady. The potential height of the dam is 80 m.…

Q: 1. Drops frequently form above the ocean by the mechanical disruption of waves in strong winds. How…

A:

Q: If a skater with a mass of 50 kg is at rest at the top of a ramp and has 4000 J of GPE, how high up…

A: Given The mass of the skater is m = 50 kg. The gravitational potential energy is GPE=4000 J. The…

Q: A pump is required to lift a mass of 810 kgkg of water per minute from a well of depth 14.1 mm and…

A: Answer:-  Given,  Mass(m) = 810 kg water per minute  Height (h) = 14.1 m  Speed (V) = 18.1 m/s…

Q: q 0.100 m -3.00 nC y + 112 6.00 nC. +

A:

Q: 3. A trough, full of water, is 1m long and its cross section is a triangle which is 3m high and 2m…

A: A trough is filled with the water assuming that its density is 1000kg/m3.The vertical cross-section…

Q: 9. can be stated as the net work done on an object is equal to the change in the object's kinetic…

A: Question to answer :   ___________ can be stated as the net work done on an object is equal to the…

Q: 12) A 7.80 g bullet moving at 600 m/s penetrates a tree trunk to a depth of 6.0 cm. Using…

A:

Q: 4. As an object falls freely, the potential energy of the object A) Remains the same B) Can't be…

A: The potential energy of an object is given by : E = mgh Where m is mass g is the acceleration due to…

Q: 1. What amount of work is done when a 5 newton object is moved a distance of 10 meters?

A: Given data:   Force (F) = 5 N Distance (d) = 10 m Required: Work done (W)

Q: 26.2) Estimate the total food energy needed for the planet's population assuming a diet of 2400…

A: The world population is  P=7,800,000,000Amount of calories intake per day per personQ=2400…

Q: One Watt = ? A) 1 Joule/sec B) 1 erg/sec C) 1 Pascal/sec D) 1 m/s

A:

Q: 2. How much work is done by 15 kW engine during 3.5 min?

A: Given value--- power = 15 kW. time = 3.5 min . We have to find--- work ?

Q: 3. If the potential energy of a body whose mass is 150 g at ground level is zero, calculate its…

A: Write the given values with the suitable variables. m=150 g=0.15 kgu=50 m/s Here, m is the mass and…

Q: Q8 (a) (1) Distinguish between renewable and non-renewable energy sources giving an example of each…

A: We are allowed to answer only the first question. For solutions to other questions, please re-post…

Q: Please answer in Essay Form. Write legibly. Thank you 3. A golf ball and a ping-pong ball are…

A: 3.  Mass of the ping ball and the golf ball different. Speed of the ball at a point half-way down…

Q: A 10-kg body falls from rest, with negligible interaction with its surroundings. Solve for its…

A: Given: Mass,m=10kgInitial Velocity,u=0m/sHeight,h=3mAcceleration due to gravity,g=9.8m/s2 An…

Q: It's given the Kinetic energy formula: KE=1/2 mv2  How to solve for v?

A:

Q: 1) Consider this half-sphere water tank of radius 5 meters. Suppose that this tank is completely…

A: The radius of the water tank is: The density of the water is:

Q: A circular swimming pool with diameter 20 m and sides 3 m high is filled with water to a depth of 3…

A:

Q: 75%. Calculate the pow air is 1.864 Kg/m³.

A: Given as, d=18 m, v=10ms , η=0.75, ρ=1.864 kgm3 .

Q: Consider a lightbulb rated for a power of 20 watts. This lightbulb consumes a certain amount of…

A:

Q: Sam lifts a box with a weight of 12 N to a height of 2 meters. (E-S-A is only necessary for Part…

A:

Q: 1. A 40 meter chain hangs vertically from a cylinder attached to a winch. Assume there is now…

A:

Q: wes the hos wer is requir

A: Given: Height is 32 m Diameter is 4 cm Mass is 1000 Kg

Q: 1. Some species of whales can dive to depths of 800m. What is the total pressure they experience at…

A:

Q: There's a good chance you're completing this HW on a laptop. A typical laptop uses about 15 W of…

A: How much energy does the laptop battery hold when it is fully charged? Given, Power(P)=15 W…

Q: ter leaves the h

A: Given: Height is 31 m Diameter is 4 cm Mass is 1000 kg

Q: A cylindrical water tank 4 meters high with a radius of 2 metess is buried so that the top of the…

A:

Q: A AA battery is used to power a motor that raises a 10-g pencil tied to a string 33 meters until it…

A: Mass m of the pencil =10g=0.01kgheight h through which it is raised = 33mg the acceleration due to…

Q: QUESTION 9 The rate of change of work done is called : O Potential energy ,and SI unit is joule O…

A: The answer is given below

Q: If 60 percent of the potential energy of water flowing over a dam can be converted to electricity,…

A:

Q: big fish of 220 pounds chomps a prey of 0.557 kg which is initially stationary. To do so, it swam…

A: mass of big fish = 220 pounds mass of prey = 0.557 kg initial velocity of prey = 0 m/s initial…