A car is moving at 25 m/s along a straight highway. How long it will take the car to stop if it decelerates at 10 m/s every second?
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: A 10 kg object is released at the top of a building 100 m high. If the force of air resistance is on…
A: Given: The mass (m) of the object is 10 Kg. The height (h) of the building is 100 m. The force of…
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: Which of the following the SI unit for gravitational kinetic enengy O Work O Wat Joule O Kihigram O…
A:
Q: A val IS KICKeu iHoI ne grounu at pom U WII an al verocty vo makes an angle 0 = 30° with the…
A: Hi, you have submitted multiple questions and it is not specified in which problem you need help.…
Q: Q/ drive the equation : 1 В D.E + B.H U : 2 U =÷(ɛ+ 2 from 2 to
A: The given expression for the energy density is U=D.E+B.H2Here,D is the electric displacementE is the…
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: 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: can a potential energy be negative? or it should always be positive?
A: Potential energy can be positive , zero or negative . It is a relative term which depends on…
Q: Find the work done by the force field F(x, y, z) = (y + z, x + z, x + y) on a particle that moves…
A:
Q: 49. Find the work done by the vector field x²+y² i+ Vx2 + y² in moving an object around the unit…
A: Given; Fx,y=xex2+y2x2+y2i+yex2+y2x2+y2j
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: 44. The work done when the point of application of a force F=(15i+7k)N moves through a displacement…
A:
Q: of 38.5 m/s anc
A: Given: Speed of ramp is 38.5 m/s Speed of trajectory trap is 36.1 m/s
Q: At the Earth's surface, a projectile is launched straight up at a speed of 7.7 km/s. To what height…
A: Given, Speed = 7.7 km/s We need to calculate, Height =?
Q: What is the speed of a 14 kN body at rest then falling from a height of 238 m.
A: During free fall if the air resistance is neglected the final velocity of a body dropped from a…
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: 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: Given the circuit shown to the right, which has reached electrostatic equilibrium, a) Find CE, the…
A: The capacitance of the capacitors in the circuit is , , and The voltage of the battery is
Q: A roller-coaster car descends 38 m from its highest point to its lowest. Suppose that the car,…
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…
Q: A tumbleweed rolls off a 120m high cliff with a speed of 23.6 m/s. What would the final velocity of…
A:
Do it asap
Step by step
Solved in 2 steps