1 p Question 16 Amass of 8kg is traveling at 4m/s. What constant force is required...

Question

Question

Answer 1

Answer #1

16) let the force needed is F

Using second law of motion

F* t = change in momentum

F * 2 = 8 * (0 - 4)

F = 16 N

the force needed is 16 N

Add a comment

Answer 2

Similar Homework Help Questions

The train shown below has a mass of 5000 kg and is traveling at 4m/s when...

The train shown below has a mass of 5000 kg and is traveling at 4m/s when it hits the barrier. If the resistive force provided by the barrier varies as k s 2, where s is in meters, determine the value of k (in M N m 2 = 1 x 10 6 N m 2) required to keep the barrier from deflecting by more than 0.2m. * The questions above are the same* The train shown below has a...
Question 5 (1 point) A car traveling at 31 m/s comes to an meters per second...

Question 5 (1 point) A car traveling at 31 m/s comes to an meters per second squared of the car? abrupt halt in 0.1 s when it hits a tree. What is the deceleration in Your Answer: Answer Question 6 (1 point) A girl pulls on a 15 kg wagon at rest with a constant force of 20 N. What is the wagon's acceleration in m/s2? Your Answer: Answer
1) What average force is required to stop a 150-kg bike in 2.0 s if it...

1) What average force is required to stop a 150-kg bike in 2.0 s if it is traveling at 25 km/h (**Needs to be in m/s) 2) What average force is required to stop a 950-kg car in 9.2 s if the car is traveling at 95 km/h (**Needs to be in m/s)

1. Determine all reactions of supports using force method. El is constant. lookg 50kg 4m 2m...

1. Determine all reactions of supports using force method. El is constant. lookg 50kg 4m 2m 2 m
1) Amass, m, on a spring with spring constant k obeys the equation of motion Where-1...

1) Amass, m, on a spring with spring constant k obeys the equation of motion Where-1 kg. Andk is assigned a value 1 (in Sl units) What are the units of the spring constant? Assuming that at time O, the mass mis at rO traveling with a velocity of 1 m/s Work out the maximum displacement of the mass in subsequent oscillations Can you find an alternative way of getting this answer? 2) Amass,, on a spring with spring constant...
A 2 kg mass traveling at 5m/s undergoes a constant acceleration and comes to a stop...

A 2 kg mass traveling at 5m/s undergoes a constant acceleration and comes to a stop in 10 seconds. a) what acceleration does it experience? b) how far does it go during the time it is coming to a stop? c) What net force does the mass experience as it comes to a stop? A 75 kg mass accelerates from rest at a rate of 2m/s2 over a distance of 50m a) How fast is it going after covering a...

Question 16) A constant force Fwith x, y and 2 components given by (1, -3,0) (in...

Question 16) A constant force Fwith x, y and 2 components given by (1, -3,0) (in newtons) acts on a particle which moves from point A positioned at(0, 1, 3) to point B with coordinates (2, 4,6) (both in meters). Find the work W in joules performed by force Fon the path AB O 3 NE < Previous No new data to save. Last checked at 12:06pm Question 20 1 pts Question 16) A constant force F with x,y and...
While a 1000kg car was traveling 50m/s, the brakes are applied to slow it down to...

While a 1000kg car was traveling 50m/s, the brakes are applied to slow it down to 10m/s, what is the total work done on the car. A) 120,000 J B) 1200 kJ C) -120,000JD -1200 kJ E) None of the above vf I A constant force F is applied for 6 seconds to change the particle's velocity from vi to vy. Determine the force F if the particle's mass is 6 kg. A) (17.3 j) N C) (-17.3 j) N...
Question 2 (1 point) For a train of known mass traveling with constant velocity, V, on...

Question 2 (1 point) For a train of known mass traveling with constant velocity, V, on a banked track with radius of curvature, p, the ____ acceleration is vale

answer part a-c please (13%) Problem 5: The speed of a block traveling on a horizontal...

answer part a-c please (13%) Problem 5: The speed of a block traveling on a horizontal frictional surface changes from v, 16 m/s to v 11.5 m/s in a distance of d = 9.5 m. 33% Part (a) How long in seconds did it take for the block to slow by this amount, assuming the acceleration is constant? A 33% Part (b) If the block has a mass of 1 kg, What is the power supplied to the block by...