a 1500 kg automobile speeds 72 kph. What constant frictional force (kN) will bring it to a stop in 4s?
Q: 1). what is the speed of a 14 kN body at rest then falling from a height of 238 m.
A: Given that:-u=0g=9.8 m/s2Falling from Height, S=238 mForce, F=14kN=14×103 N
Q: Starting from rest, a 99-kg firefighter slides down a fire pole. The average frictional force…
A:
Q: a 1525-kg sports car accelerates from rest to 96.5-km/h in 5.92s what magnitude force does a 66.8kg…
A: Given data: Initial velocity (v0) = 0 m/s Final velocity (v) = 96.5 km/h Time (t) = 5.92 s Mass (m)…
Q: If a 3.9 kg object is placed on a frictionless incline of 55.6 ° and released from rest, what is…
A:
Q: You push a file cabinet up a frictionless ramp tilted at 10°with horizontal. The file cabinet has a…
A:
Q: When starting a foot race, a 68.6 kg sprinter exerts an average force of 704 N backward on the…
A: Given: The mass of sprinter (m) = 68.6 kg. Force exerted F = 704 N. Time (t) = 0.813 s.
Q: If a 3.15 kg object is placed on a frictionless incline of 70.5 º and released from rest, what is…
A: Given, mass of the object, m = 3.15 kg angle of inclination of the plane, θ = 70.5° initially the…
Q: A 60.0 kg skier with an initial speed of 15 m/s coasts up a 2.50 m high rise as shown in the figure.…
A: The objective of this question is to find the final speed of the skier at the top of the slope. We…
Q: A skydiver (46 kg) is falling at 27 m/s when she pulls her parachute cord. The parachute slows her…
A:
Q: A 2kg flower pot weighing 20N falls from a window ledge. How large must the air resistance be in…
A: When a flower pot is falling downward, the following forces are acting on it:The weight of the…
Q: 19. An 8.81 kg object is thrown straight up from the top of a 42.6 m building at a velocity of 11.3…
A:
Q: A wagon with its passenger sits at the top of a hill. A strong wind suddenly rolls the wagon 188m…
A:
Q: An unattended car of mass 1449 kg starts sliding down a 29.6 degree angle street. If the coefficient…
A: Step 1: Step 2: Step 3: Step 4:
Q: 19.6 - N body is thrown downward from a height of 200 m with a velocity of 3 m/s . The body…
A:
Q: Brakes of force 35671.05 N are applied to stop a car on a road having coefficient of friction 0.61.…
A: Frictional force is provided by applying brakes .
Q: A net force of -9.0x103 n is used to stop a 1500kg car traveling at 20m/s. What is the braking…
A:
Q: A parachutist with mass of 65kg is free-falling under gravity. When he opens up his chute he…
A: The parachutist is initially free-falling under gravity, when their chute isn't opened. As soon as…
Q: A spring hangs down from a ceiling a distance of 7 cm. When a mass of 171 grams is attached, the…
A:
Q: A child on a sled with a total mass of 45.0 kg slides down an icy hillside with negligible friction.…
A: The vertical height of the hill is about 0.46 m. Here, we use conservation of energy and solve for…
Q: A crate with a mass of 155 kg, starting from rest, slides down a ramp making an angle of 32 degrees…
A: Given: Mass, m=155 kg Angle made with horizontal, α=32° Length of the ramp, L=6 m Frictional force,…
Q: a mother and her child are skiing together, and the mother is holding the end of a rope tied to the…
A:
Q: An airplane flies at 40 m/s at an altitude of 50 m. The pilot drops a heavy package that falls to…
A: Given velocity of plane = 40 m/s altitude ( h ) =50 m
Q: A 19.08 kg block is slid from a height of 7.62 m down a friction-less incline. It comes to a flat…
A:
Q: 17. A few weeks ago in lab you were releasing gliders down a tilted frictionless air track. Assume…
A: Given Data Angle of the track with the horizontal is θ=18°. The glider passes through the gate after…
Q: 31. A 1500 kg car skids to a halt on a wet road where μk = 0.50. How fast was the car travel- ing if…
A:
Q: A 2.1 ✕ 103-kg car starts from rest at the top of a 5.3-m-long driveway that is inclined at 18° with…
A: The speed of the car at the bottom of the driveway is 11.91 m/s.Explanation:
Q: Starting from rest, a 92-kg firefighter slides down a fire pole. The average frictional force…
A:
Q: 2.5. A horizontal force of 300 N is required to maintain constant velocity of a vehicle on the…
A: The displacement of an object is defined as the change in the final and initial position of the…
Q: Q2: Jane, who weighs 500 N, must cross a river full of hungry crocodiles to save Tarzan, who weighs…
A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…
Q: A 5 kg block is given an initial velocity of 10 m/s. If there is a friction force of 13 N opposing…
A:
Q: If a 3.58 kg object is placed on a frictionless incline of 59.5 º and released from rest, what is…
A: The kinematic equations of motion are-1) v=u+at2) s=ut+12at23) v2=u2+2as where,u is initial…
Q: The parachute on a race car, with a mass of 934kg, opens at the end of a quarter mile race with the…
A: Given Let us take the weight of the car as W=934 kg Initial velocity of the car just before opening…
Q: A 0.19 kg hockey puck slides across an icy surface and experiences a small friction force of 0.09 N.…
A: Draw the free-body diagram of the puck.
Q: 7. An 8.00 kg block is released from rest and slides 1.60 m down a 40° slope. Its speed at that…
A: Given : Mass of block , m= 8 kg Distance , x =1.6 m Speed , v= 4 m/s Normal force , N=mgcosθ Plug…
Q: The driver of a 1,200kg car travelling with a velocity of 27.0m/s slams on his brakes when he…
A:
Q: 2. A physics student pulls on a 50kg cement block at a speed of 2.2 m/s with a force of 250N. The…
A: Given, The mass of the block will be, m=50 Kg The initial speed of the block, u=2.2 m/s Force acting…
Q: Rimuru-sama swallows the Storm Dragon Veldora, inheriting its powers. If the mass of the dragon is…
A: Mass(m), initial Velocity (uo), distance (∆x), time(t)
Q: A large sculpture of mass 2,400 kg was being transferred from the 3rd floor to the ground floor of…
A:
Q: A 3 kg mass slides down an inclined plane that has an angle of 25 degrees. It starts at rest and…
A:
Q: A 1.3 kg particle moving along the x-axis experiences the force shown in the figure. The particle's…
A: Given Mass m = 1.3 kg Velocity vo = 4.0 m/s
Q: A crate with a mass of 155 kg, starting from rest, slides down a ramp making an angle of 32 degrees…
A: The energy possessed by an object when moving with a velocity v is known as the kinetic energy of…
Q: A car goes down a 100 incline with a coefficient of friction of 0.3 for 1 m. What is it’s final…
A: Write a given value of this question. θ=10°μ=0.3s=1mu=0m/s
a 1500 kg automobile speeds 72 kph. What constant frictional force (kN) will bring it to a stop in 4s?
Step by step
Solved in 2 steps
