A 50 kg. diver gets ready to dive from a 10 meter high diving board. how much gravitational potential energy has been converted to kinetic energy after the diver has fallen 5 meters and still has 5 meters left to fo on the dive?

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: The force exerted by an electric charge at the origin on a charged particle at a point (x, y, z)…

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A: Mass of the car, M=1000 Kg gravitational acceleration ,g= 9.8 m/s2 The radius of the highway, R=5.0…

Q: A block of mass, m, is pulled over a distance, d, by an applied force, F, along a smooth horizontal…

A: Applied force = F Displacement = d Here force and displacement is in sane direction . therefore…

Q: 82. Shown below is a body of mass 1.0 kg under the influence of the forces FA, F B, and m g. If the…

A: Solution:   Given Values, mass (m) =1.0 Kgacceleration (a)=0.20 m/s2

Q: If a 1000 kg car is exiting a highway through an above-the-ground ramp of 5.0 m radius at 12 m/s,…

A: Given that,Mass :m =1000 (kg)Radius : r = 5 (m)Speed : v = 12 (m/sec)Here we need to find the…

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: A 5-kg object is pushed across a level surface with a force of 12 N for a distance of 6 m. How much…

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Q: If you push against an immovable object, such as a brick wall, you may tire yourself out, but you…

A: When we apply some force (F) on an object and it gets displaced (d) then work done on the object is…

Q: The engine in an imaginary sports car can provide constant power to the wheels over a range of…

A: Initial speed = 0 mph It can reach 32 mph in 1.2 seconds To find = Time required to accelerate from…

Q: 2. Before 50.0 kg V₁ = 2.00 m/s V₂ = 0 m/s 25.0 kg €

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Q: A 10.0m B nok D A force is applied to several boxes. Rank the five situations shown in the figure…

A: This problem can be solved using the formula  W=F→.S→=F→S→ cos θW=work doneF=force…

Q: Calculate q when a system does 49.67 J of work and its energy decreases by 77.26 J.

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Q: An engine can apply a constant 44.8N of horizontal force to a box. If the engine has 53173.7J of…

A: Given data: Force (F) = 44.8 N Energy transferred to the box = 53173.7 J Required: The displacement…

Q: Can the normal force on an object ever do work? yes no

A: Yes sometimes Normal force also do works on an object.

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 )…

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Q: Which of the following the SI unit for gravitational kinetic enengy O Work O Wat Joule O Kihigram O…

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Q: An electric car can go 150 km on a test track at a constant speed of 100 km/hr on one charge of its…

A: Given data: The distance traveled is d=150 km. The speed of car is v=100 km/hr. The new speed is…

Q: Eight books, each 9.0 cm thick with mass 1.5 kg, lie flat on a table. ▼ Part A How much work is…

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Q: 12. How long will it take a 2750-W motor to lift a 385-kg piano to a sixth-story window 16.0 m…

A: Given, Power = 2750 W mass = 385 kg length = 16 m

Q: a helicopter lifts a 100kg crate straight up via cable, with an acceleration of 0.8m/s. if the crate…

A: mass = 100 kg acceleration = 0.8 m/s2distance = 5 m Apparent weight = m(g+a) = 100 (10+0.8) = 1080 N…

Q: For each of the situations compare the forces exerted by the blocks on each other as they move on a…

A: To draw the force diagram for the given situations 7,8,9

Q: Question 21 of 22 The batteries in the circuit below are ideal with &₁ = 22 V and ₂ = 10 V. The…

A: To solve this problem we apply kirchoff's voltage Law   in circuit we take clockwise sense for flow…

Q: Find the work done on a particle that moves 7 units by a constant force F = (3,–2, –-3) in a…

A: The direction of vector perpendicular to u⇀,w⇀ is r⇀=u⇀xw⇀u⇀xw⇀ u⇀x w⇀=ijk0-3-2550           =…

Q: PartB: What1 the change in prers ure, in pascals,07 bluool atthe brain due To sitingup, neglecting…

A: As person sits up and height was raised due to this as a result heart needs to create more pressure…

Q: 44. The work done when the point of application of a force F=(15i+7k)N moves through a displacement…

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Q: How much work is done by a table as it holds up a 3.8 kg cat? Your answer: O OJ 3.8 J 37 J The…

A: The work done to hold up a cat on the table is the potential energy due to the gravitational force.…

Q: The work is done in one second, or one hour, or one year is called the power. True False

A: Explanation :- We know that rate of work done i.e., work done per unit time is termed as power and…

Q: While a roofer is working on a roof that slants at 38.0 ∘∘ above the horizontal, he accidentally…

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Q: 5m 4 83 ,= +2u C = - 2 u C 83 = + 4u C FIND FORCE ON 81: THE NET

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Q: How long will it take a 25 kW motor to lift a 1200 kg elevator from the ground to the 30th story of…

A: Power = 25 kW = 25000 WattsMass =1200 KilogramsHeight = 129 meters

Q: If a 1000 kg car is exiting a highway through an above-the-ground ramp of 5.0 m radius at 12 m/s,…

A: Given that, Mass, m=1000 kg Radius, r=5.0m Velocity, v=12 m/s

Q: A traveler pulls on a suitcase strap at an angle of 31.6 degrees above the horizontal. if 566 J of…

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Q: Usain Bolt grabs a rope hanging vertically from an overhead bar when he is running at 10.44 m/s. How…

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Q: The gravitational potential energy stored in a box of weight 150 kgf is 1.5* 104 J. Find the height…

A: Write the given values with the suitable variables. W=150 kgf=150×10 NP=1.5×104 J Here, W is the…

Q: A 400 N box is moved at constant velocity across an 8 m horizontal surface. What is the net work…

A: Gavitation force works along the vertical direction. Siince there is zero displacement along the…

Q: ot a 51 g ring consta tched by 0. s the pebble

A: We know that As per given The catapult is initially stretched by  x =0.2 m  The pebble files let a…

Q: 42. A physics student applies a 21.6 N force downward at an angle of 57.2 degrees with the…

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Q: If a 1000 kg car is exiting a highway through an above-the-ground ramp of 5.0 m radius at 12 m/s,…

A: Potential energy(P.E.). Given, mass of the car(m)=1000 kg initial speedvi=12.0 ms-1radiusr=5.0 m

Q: 14. A coin slides over a frictionless plane and across an ry coordinate system from the origin to a…

A: Given, Work done by a constant force

Q: A tumbleweed rolls off a 120m high cliff with a speed of 23.6 m/s. What would the final velocity of…

A: