A student walks at a speed of 0.5 m/s and then begins to run 15 seconds later at a speed of 2.5 m/s. What is the student's acceleration?
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)…
A:
Q: .
A: Mass of the car, M=1000 Kg gravitational acceleration ,g= 9.8 m/s2 The radius of the highway, R=5.0…
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: How long will it take a 4 hp motor to lift 400 kg piano to a sixth story window 1800 m above?
A: 1hp =746W so 4hp=4*746=2984W Mass ,m =400kg Height, h=1800m energy required to lift, E=mgh where g…
Q: 4. In the figure shown, determine the work done by the gravitational force on a 5.50-kg particle as…
A:
Q: A 70 kg firefighter slides, from rest, 4.3 m down a vertical pole. (a) If the firefighter holds onto…
A: Given : height of pole, h = 4.3 m mass of firefighter, m = 70 kg average…
Q: 2. Before 50.0 kg V₁ = 2.00 m/s V₂ = 0 m/s 25.0 kg €
A:
Q: Calculate q when a system does 49.67 J of work and its energy decreases by 77.26 J.
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: Which of the following the SI unit for gravitational kinetic enengy O Work O Wat Joule O Kihigram O…
A:
Q: How can energy be transferred back forth between kinetic energy and potential energy?
A: Ans:- Kinetic energy can be stored if we drop the object from the shelf or release the spring,…
Q: A 1000 kg roller coaster in an amusement park left the 65-m high launching platform to reach ground…
A: Solution: To solve this problem, we need to consider the energy conservation and the forces acting…
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: | How can energy be transferred back forth between kinetic energy and potential energy?
A: We can say that, Kinetic energy can be stored if we drop the object from the shelf or release the…
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: #53
A:
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…
A:
Q: 8. Find the work done by the field F in moving an object from P to 5 F(x, y) = x² ↑ + y³ Ĵ; P(1,0),…
A: Given, Force, F→ = x5 i^ + y5 j^ P1, 0, Q3, 3
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: 39.) More work is needed to carry a heavy suitcase slowly up a flight of stairs than to carry the…
A: Work done is given as: W=F.s=Fs cos θ Where, W→ work done F→Force s→displacement θ→∠ b/w force &…
Q: While a roofer is working on a roof that slants at 38.0 ∘∘ above the horizontal, he accidentally…
A:
Q: 5m 4 83 ,= +2u C = - 2 u C 83 = + 4u C FIND FORCE ON 81: THE NET
A:
Q: Analyze the degree of freedom or how many independent controllers to be incorporated for the…
A: Solution The number of independent variables required to completely specify the state of a system is…
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: A speed boat requires 80kW to move at a constant speed of 15 m/s.What is the resistance force of…
A: Resistance is a measure of the opposition to current flow in an electrical circuit. Here, we…
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 59.0 kg skateboarder wants to just make it to the upper edge of a "quarter pipe," a track that is…
A:
Q: A traveler pulls on a suitcase strap at an angle of 31.6 degrees above the horizontal. if 566 J of…
A:
Q: Usain Bolt grabs a rope hanging vertically from an overhead bar when he is running at 10.44 m/s. How…
A:
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: 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: 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: Coleulaute the gravitational Potential energy of a 12.6 kg box on a shelf 4,0m above the fJoo.…
A: We know thatU=mghHereU=potential energym=mass of objectg=gravity accelerationh=height from refrence…
Do it asap
Trending now
This is a popular solution!
Step by step
Solved in 2 steps