A ball of mass 5 kg experiences a change in its velocity from 2 m/s to 4 m/s within 20 s, under the influence of a constant force. However, the direction the ball is moving in does not change. Find the direction and magnitude of this force.

Q: The velocity of an object of mass m= 5.00 kg is giving by v(t) = (3.0m/s³)t²+ (2.00 m/s²)t. The…

A: Force acting on any object is equal to the rate of change of momentum of that object. It is given by…

Q: An object of mass m is moving along the z-axis according to z(t)=αt^2+βt+γ, where the coefficients…

A:

Q: A 1100 kg car speeding at 90 km/h is brought to a stop in a distance of 30m . Compute the average…

A:

Q: An object travels 7.5 m/s toward the west. Under the influence of a constant net force of 5.2 kN,…

A: Given data:  Initial velocity = 7.5 m/s toward the west Force (F) = 5.2 kN = 5200 N Time (t) = 4.3 s…

Q: the law of rectilinear motion of a body of mass m=1009 is x(t) = 10 +1t+5t^2.All quantities in the…

A: This problem is based on Newton's second law. According to Newton's second law, the net force on a…

Q: A body with mass of 7.5 Kg is accelerated by a horizontal force F = 2.0 N from rest . What is…

A:

Q: A particle of mass 1.29 kg is subject to a force that is always pointed towards the North but whose…

A:

Q: If an object is in motion, why can’t you conclude that it must be experiencing a net force?

A: If an object is in motion, it is not mandatory that the object will experience a force. When an…

Q: block of mass 144 kg lies on a horizontal plane. A horizontal force F of magnitude 1100 N is applied…

A:

Q: Consider 2 forces acting on a mass of 2.34 kg. F1 = 10.9 N @ 19 degrees and F2 = 9.83 N @ 67.7…

A: as you are observing in figure below two forces F1 = 10.9 N & F2 = 9.83 N are acting on mass of…

Q: A 1.9×104 kg rocket has a rocket motor that generates 2.7×105 N of thrust. The initial upward…

A: Given The initial mass of the rocket is mi=1.9×104 kg. The thrust generates by the motor is…

Q: 3.00 x 103 kg 2.00 x 103 kg The two barges shown here are coupled by a cable of negligible mass. The…

A: The given data are: m1=2×103 kgm2=3×103 kgF=19×103 Nf1=8×103 Nf2=10×103 N

Q: Two blocks of masses 2 kg and 1 kg are in contact with each other on a frictionless table. When a…

A: m2=2 kgm1=1 kgF=3 N

Q: Two blocks, A (mass=5.00 kg) and B (mass= 10.0 kg) are suspended by a cord on either side of a…

A: Two blocks, A (mass=5.00 kg)and B (mass= 10.0 kg) are suspended by a cord on either side of a…

Q: A car of mass 1000 kg is moving with a velocity of 10m/s and is acted upon by a forward force of…

A: Mass, m = 1000 kg  initial velocity, u = 10 m/s Forward force, F = 1000 N  Retarding force, f = 600…

Q: "If a net horizontal force of 132 N is applied to a person with mass 60 kg who is resting on the…

A:

Q: Consider the experimental scheme below where there is no friction between the blocks and the surface…

A:

Q: When a mass M experiences a velocity change of v in a time of t, it experiences a force of F.…

A: From Newton's second law of motion, force F (in N)  acting on a body , is given by…

Q: What net external force is exerted on a 1100-kg artillery shell fired from a battleship if the shell…

A: Using Newton's second law of motion, F=ma

Q: A 3.5_kg frog sits on a 8.1_kg block of wood which is itself on a 94 kg slab of concrete on the…

A: Given: Mass of the frog is 3.5 kg. Mass of the block of wood is 8.1 kg. Mass of the slab is 94 kg.

Q: Two forces are applied to a 5 kg object, one is 6 N to the north and the other is 8 N to the west.…

A: we knowNorth and west are perpendicular forcesFnet = sqrt (F1^2 + F2^2) a = Fnet/m

Q: A 4.0 kg object has a velocity of 3i m/s at one instant. Eight seconds later, its velocity is (8i +…

A: Write the first kinematic equation to determine the acceleration.

Q: Two blocks of masses m1 m1  = 7.2 kg and m2 m2  = 10.1 kg resting on a frictionless surface are…

A: Given data:  m1 = 7.2 kg m2 = 10.1 kg Horizontal force (F) = 50.0 N Required: The acceleration of…

Q: The force that is exerted on an object by any surface which is in contact and that which acts…

A:

Q: What will be the mass of a body, if it has a weight? of 1500 |bاخترأحد الخیارات a. 152.91 slugs b.…

A:

Q: An experimental space cruiser was initially drifting in the -x direction with velocity of 10 m/s.…

A: Write the given data. vc=-10 m/sF=5×104 Nt=15 sm=11000 kg

Q: What net external force is exerted on a 1100-kg artillery shell fired from a battleship if the shell…

A: Mass of artillery shell M=1100kg Acceleration of artillery shell 'a'= 2.40 x 10^4

Q: The acceleration of the system equals the net force on the system divided by the system's total…

A:

Q: A 2500 kilogram truck is moving initially with a velocity of 10.00 meters per second. To change its…

A:

Q: For how long a time must a tow truck pull with a force of 550 N on a stalled 1200 kg car to give it…

A:

Q: he same sum of forces is exerted for the same time interval on an object with hass "m" and an object…

A: Impulse = force × time duration for which force is applied

Q: What net external force is exerted on a 1100-kg artillery shell fired from a battleship if the shell…

A:

Q: Give the magnitude and direction of the net force acting on a stone of mass 0.1 kg,  a) just after…

A: (a) Mass of the stone, m = 0.1 kg  Acceleration of the stone, a = g = 10 m/s2  As per Newton’s…

Q: A Block of mass m is moving to the left with a velocity of magnitude v1. At t=0 a force is exerted…

A: Given that mass of block = mWe know that ,            Force exerted will be equal to ma - iAs…

Q: A block of mass m1 = 14.5 kg is on a frictionless table to the left of a second block of mass m2 =…

A:

Q: The statement that the resultant of the external forces on any system of masses equals the total…

A: Newton's law of motion is widely used in all physics applications, even all physics is constructed…

Q: The law that states that net force must be equal to zero for a body to be at rest or in the state of…

A: The law that states that net force must be equal to zero for a body to be at rest or in the state of…

Q: Three objects whose masses are 2.0 kg, 3.0 kg and 4.0 kg are joined by strings as shown. The 2 kg…

A:

Q: What net external force is exerted on a 1400-kg artillery shell fired from a battleship if the shell…

A:

Q: The velocity of an object of mass m= 5.00 kg is giving by v(t) = (3.0m/s3)t2+ (2.00 m/s2)t.  The…

A:

Q: 18. A mass of 200 kg which is initially at rest is subjected to the force in the +x-direction as…

A: Given:-

Q: An object of mass 0.93 kg is initially at rest. When a force acts on it for 2.9 ms it acquires a…

A:

Q: One of the four fundamental forces that bind atoms is called O Strong Nuclear Force Gravity O…

A: We have four fundamental forces in nature : 1) Nuclear or strong force which is a short range force…

Q: body weighing 2 kg was acted upon by a horizontal force of 3 N. What speed will the body acquire in…

A: Given data: Force F= 3N Mass ,m = 2 kg Time t= 5s

Q: A car with a mass of 1,450.0 kg accelerates from 0 to 73.0 km/h in 11.0 s. (Enter the magnitudes.)…

A:

Q: A sailboat has a mass of 1.50 × 103 kg and is acted on by a force of 2.00 × 103 N toward the east,…

A: The force act on a sailboat, F1=2×103 N   The wind force, F2=3×103 N   The angle, θ=45°

Q: If it takes a human cannonball 1.8 s to exit a 1.9 m long cannon and the average net force acting on…

A: Given, Length of the cannon, L = 1.9 m time taken by cannonball to exit, t = 1.8 s Net force acting…

Q: A car of mass 1200 kg is accelerated from rest to a speed of 72km/hr in 40 seconds . Calculate the…

A: Given: The mass of the car is 1200 kg.             The final speed is 72 km/hr.              The…

Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.