A 7.0 kg object experiences a net force of 21 N that changes its velocity from 5.0 m/s to 11 m/s. How long did the force act? Round your answer to the nearest tenth.
Q: If a 2.4 kg object is initially at rest on a frictionless, horizontal surface and subjected to a…
A: The equation of motion we use to solve this is v2-u2 = 2as, where v = the final velocity u = the…
Q: A 3.1 of object is initially moving at 2.7 m/s to the right while experiencing a net force that also…
A: Given that: Mass of the object, m=3.1 kgInitial velocity, u=2.7 m/sF=1.2tt=3.4, v=? s=?
Q: son throws a 0.5 kg ball up in the air in 1.1 s. During this process the position of the ball…
A: Given Mass m = 0.5 kg Initial velocity u = 0 Final velocity v = 7 m /s Displacement s = final…
Q: The trick to skipping a rock is throwing it at a low angle. This is because the surface tension of…
A:
Q: A 200 g baseball travelling at 40 m/s is hit by a bat. It travels straight back at the pitcher at a…
A: Mass of the baseball (m) = 200 g = 0.2 kgInitial velocity (u) = 40 m/sFinal velocity (v) = -50 m/s…
Q: 4.3. Someone drops a rock from a bridge. ou can neglect air friction as you answer the following:…
A: using, for t= 0.5 s for t = 1.0 s for t = 2.0 s
Q: A car with mass 996 kg moving at 28 m/s hits a giant bag of marshmallows. The bag slows the car…
A: Before hitting, v1 = 28 m/s , m = 996 kg After hitting , V2 = ? , m = 996 kg…
Q: A 9 kg asteroid is traveling through space at 2.5 m/s toward a spaceship. To avoid a collision, an…
A:
Q: A 5.0 N horizontal force is applied to a 2.5 kg cart for 3.8 m (starting with a speed of 0 m/s).…
A: given; horizontal force=5 N Mass = 2.5 kg initial speed is =0 m/s distance =3.8 m final velocity v
Q: An object with a mass of 1.93 kg is initially at rest upon a horizontal, frictionless surface. An…
A: Given data: Mass of an object is, m= 1.93 kg The object is initially at rest, vi = 0 The applied…
Q: In a ballistics test, a 28-g bullet pierces a sand bag that is 30 cm thick. If the initial bullet…
A: Solution: Determine the change in kinetic energy of the bullet while it travelled through the bag.…
Q: Xyrus throws a 0.15-kg rubber ball down onto the floor. The ball's speed just before impact is 6.5…
A: Force is defined as the rate of change of momentum. F= dP/dt P= m*v
Q: Find the force needed to accelerate a 50 kg crate up a 30.0° incline at a rate of 1.2 m/s².
A: 5) Draw the free-body diagram along with the inertia diagram.
Q: 1. A 2.40-kilogram mud ball drops from rest at a height of 18.0 m. If the impact between the ball…
A: Dear student, Since all questions are different as per our company's guidelines we can author only…
Q: If a 1.6 kg object is initially at rest on a frictionless, horizontal surface and subjected to a…
A: Given data: Mass (m) = 1.6 kg Initial velocity = 0 m/s Force (F) = 12.2 N Distance (d) = 3.99 m…
Q: A 4.0 g bullet exits the muzzle of a rifle with a velocity of 338 m / s. What force (assumed…
A: Given data, Mass of bullet m = 4. 0 g = 4 x 10-3 kg Initial velocity of the bullet vi = 0 Final…
Q: A .22 rifle bullet, traveling at 300m/s strikes a large tree, which it penetrates to a depth of 10…
A: Velocity=300m/s Mass of bullet=2g
Q: A particle of mass 2.5kg moves according to the equation x(t)=10t?, where x is in meters and t is in…
A: Given The mass of the particle is m = 2.5 kg. The equation for the distance is x(t) = 10t2. The…
Q: A student pushes a physics textbook of mass 1.11 kg across a table with a horizontal force of 5.81…
A:
Q: A 2.0 kg object moving along the x-axis experiences the force shown in the figure. The object's…
A: Please note : As per answering guidelines I can answer first question and its sub-parts only. Please…
Q: baseball with mass m=m=0.145 kg is dropped from rest from a height of h=h=5.9 m above a baseball…
A:
Q: A person standing on the edge of a 30.0m tall building is holding a ball with a mass ot 1.50kg. The…
A:
Q: Henry, whose mass is 95 kg, stands on a bathroom scale in an elevator. The scale reads 830 N for the…
A: Apply newton’s second law of motion along the motion of the lift, and substitute 95kg, for m,…
Q: Shown in the figure is a graph of the net force exerted on a particle of mass 2.5 kg. At time t = 0…
A: Please find the attachment. (NOTE: scale for force is not given in the problem, I have taken 1N per…
Q: If a 2.1 kg object is initially at rest on a frictionless, horizontal surface and subjected to a 14…
A:
Q: 18. A 20. g rock is fired from a slingshot with a force of 90. N and the distance involved is 0.40…
A:
Q: A 2.4 kg ball strikes a wall with a velocity of7.1 m/s to the left. The ball bounces off witha…
A: Given : velocity of ball before striking, u = - 7.1 m/s ( assuming left side as negative x axis)…
Q: A doctor is testing how much impact force does a 75 kg athlete has on his knees when he jumps. On…
A: Given that: m=75 kgv=7.5 m/st=0.4 sec
Q: ron Man’s repulsor blasts from his gauntlets can apply a force of about 2220 N. If he appli
A: Given:- Applied force F = 2220 N The mass of the object m = 80.0 kg The distance d = 2.4 m…
Q: If a 2.1 kg object is initially at rest on a frictionless, horizontal surface and subjected to a…
A:
Q: A 4.2-g bullet leaves the muzzle of a rifle with a speed of 326 m/s. What force (assumed constant)…
A:
Q: A 1.0 kg object has a velocity of 5.0f m/s at t = 0. A constant resultant force of (3.0î + 4.0j ) N…
A: Option d
Q: A 4.0 g bullet leaves the muzzle of a riffle with a speed of 328 m/s. What force (assumed constant)…
A:
Q: A 0.55 kg football is thrown with a velocity of 17 m/s to the right. A stationary receiver catches…
A:
Q: Consider a tennis ball of mass 0.040 kg making contact with a racquet at 23.7 m/s for 1.30 ms. If…
A:
Q: Your forehead can withstand a force of about 6.0 kN before fracturing, while your cheekbone can…
A:
Q: An arrow is accelerated out of a bow. What is the average force exerted on a 0.15 kg arrow if it is…
A: The objective of the question is to find the average force exerted on the arrow. We can use Newton's…
Q: A 4.95 * 105 -kg rocket is accelerating straight up. It's engines produce 1.4 * 107 N of thrust, and…
A:
Q: Hello, can you please help me with this physics question? A ball with a mass of 0.17 kg is bounced…
A:
Q: object’s final speed
A:
Step by step
Solved in 3 steps with 2 images
