The initially stationary 14-kg block is subjected to the time-varying force whose magnitude Pis shown in the plot. The 30° angle remains constant. Determine the block speed at (a) t - 18s and (b) t- 6.4 s. 14 kg 30 JA0.52 0.40 7.8 Answers: (a) Att- 18s, v- m/s (b) At t-6.4 s, v- m/s
Q: A boy is initially seated on the top of a hemispherical ice mound of radius R = 13.8 m. He begins to…
A:
Q: iar A was travelling east at a speed of 15 m/s and car 8 was travelling north at an unknown speed…
A:
Q: In the figure, a runaway truck with failed brakes is moving downgrade at 170 km/h just before the…
A:
Q: Your forehead can withstand a force of about 6.0 kN before fracturing, while your cheekbone can…
A:
Q: (hrwc6p22_5e) A block with mass m = 11.4 kg slides down an inclined plane of slope angle 39.0 with a…
A:
Q: Two forces, F, (5.80l + 3.955) N and F,- (3.90i + 7.65j) N, act on a particle of mass 1.90 kg that…
A:
Q: A 450-N is in contact with a level plane of fk = 0.10. The block is acted upon by a horizontal force…
A:
Q: a. Calculate the force (in N) needed to bring a 1050 kg car to rest from a speed of 80.0 km/h in a…
A: Mass of the car,
Q: Some office workers use a sledgehammer to hit their broken computer and push it across an open…
A: This is a question regarding forces and the subsequent motion caused by the forces. The frictional…
Q: speed A 4.50 kg box sits halfway up a 12.0 m long ramp that is inclined at an angle of 20.0°. You…
A:
Q: A mass moving at 1.70 m/s slides down a ramp angled at 30.00 to the horizontal. After the mass has…
A:
Q: You are on a Death Sled from Perdition for which your combined mass is 145 kg You hurtle over the…
A: 7. Conservation of energy is used to calculate the speed of the sled at the top of the cliff.…
Q: Two forces, F1 = (6.10î + 4.30ĵ) N and F2 = (3.40î + 7.65ĵ) N, act on a particle of mass 2.20 kg…
A: Given F1 = (6.10î + 4.30ĵ) N F2 = (3.40î + 7.65ĵ) N Mass M = 2.20 kg We have to find out the…
Q: An automobile weighing 5500 lb is driven down a 5° incline at a speed of 60 mi/h when the brakes are…
A: Given Data : The weight of the car is given as W = 5500lb. The initial speed of the car is given as…
Q: Hi I am in physics I, and they have the problem: In a baseball game, the 145g ball reaches the…
A: it is not (0,1+5 kg) it is 0.145 kg typing error.Mass of the ball is 145 grams = 0.145 kg
Q: A 325-g model boat facing east floats on a pond. The wind in its sail provides a force of 1.25 N…
A: First find net force on boat
Q: Question 7 Werk.. A constant force F= 5.0 [N] is applied at a certain angle from the horizontal on a…
A:
Q: A truck P, loaded with ore starts from rest and runs freely down a slope on a track from K to L. The…
A:
Q: on a frictionless surface. They collide As shown in the figure below, two objects are moving towar…
A: Given - Velocity of object 1 =v1→Velocity of object 2 =v2→ = 9.4msMass of object 1 (m1) = 1.4…
Q: In the figure, a runaway truck with failed brakes is moving downgrade at 110 km/h just before the…
A:
Q: X Incorrect The 60-lb boy has taken a running jump from the upper surface and lands on his 12-lb…
A: Answer: Given: Mass of the boy Wb=60 lb Mass of the skateboard Ws=12 lb Velocity v =14ftsec θ =24°…
Q: A 7.00-kg7.00-kg block is sent up a ramp inclined at an angle ?=30.0∘θ=30.0∘ from the horizontal. It…
A:
Q: Two masses are connected by a string as shown in the figure below. Mass m1=3.7 kg rests on a…
A: The free-body diagram of the mass on the inclined plane is shown below. Now, apply Newton's second…
Q: The figure gives, as a function of time t, the force component F, that acts on a 3.80 kg ice block…
A:
Q: 2. After one month of taking a literature class, a first-year Bard student decides to dispose of all…
A:
Q: A block of wood with mass, 1.20 kg, is held stationary by your friend near the top of a ramp such…
A:
Q: A set of crash tests consists of running a test car moving at a speed of 12.4 m/s (27.7 mi/hr) into…
A:
Q: A 8.7-kg cat moves from rest at the origin to hunk of cheese located 9.5 m along the x-axis while…
A:
Q: A shot-putter moves his arm and the 7.0kg shot through a distance of 1.0 m, giving the shot a…
A: Given Mass (m) = 7.0 kg Distance (d) = 1.0 m Velocity (v) = 10 m/s
Q: I only need help with e) thank you! In the figure below, a runaway truck with failed brakes is…
A: According to Newton's second law Net force =mass × acceleration The force of friction is given as f…
Q: Figure Shows load hanging from the ceiling of an elevator that is moving at constant velocity. Take…
A:
Q: A block of mass m=1 kg, moving on a horizontal surface 3D1 with speed v = 2ms-1 enters a rough patch…
A:
Q: In the figure below, a small cart of weight W starts from rest at A and rolls without friction along…
A:
Q: A 30.2 N net force is applied for 15.64 s to a 10.2 kg box initially at rest. What is the speed of…
A: Using Newton's second law, the acceleration of the box can be obtained as…
Q: In the figure, a runaway truck with failed brakes is moving downgrade at 106 km/h just before the…
A: Given Velocity , V = 106 km/h Mass, M = 1.4× 104 Kg
Q: A football player hits a 180 g ball moving horizontally to the left with a speed of 6 m/s, as shown…
A:
Q: Two forces, F, = (2.70î – 3.40j) N and F, = (3.70î – 7.80j) N, act on a particle of mass 2.10 kg…
A: F1 = 2.7 i - 3.4 j F2 = 3.7 i - 7.8 j mass, m = 2.1 kg
Q: A 4.00kg mass is initially moving with a velocity 5.16 (m/s)i on a horizontal plane. The coefficient…
A:
Q: alculate the final speed ?? of a 2.00-kg object that is pushed for 31.0 m by a 40.0‑N force directed…
A:
Q: The crate of mass m= 31 kg is at rest at A on the theta=7o incline. The coefficients of static and…
A: Given information: Here, m is the block’s mass, θ is the inclination angle, µs and µk are the…
Q: = (7.20 N)î + (8.40 N)ĵ + (4.50 N) k acts on a 8.90 kg mobile object that moves from an initial…
A: The displacement of the object can be computed as; x→=d→f-d→ix→=2.20 mi^+3.70 mj^+4.30 mk^-7.00…
Q: A conservative force Pis in the direction and has magnitude F(z)-a/(a+z), where a-0550 N-m² and…
A:
Q: 5. Gotta stay boosted. A 1.50 [kg] box moves along a frictionless horizontal surface with an initial…
A: Given value--- mass = 1.5 kg. initial speed = 5 m/s. Force = 3 N. angle = 35 degree . Horizontal…
Q: A youngster with mass m falls from a height h into the trampoline's centre, plunging to a depth y…
A:
Step by step
Solved in 4 steps with 4 images