body of mass 5 kg is dropped from a height of 100 metre with zero velocity . Assuming no resistance formulate a differential equation using given information and solve it

Q: Determine the practical stopping distance (ft) for a road with speed limit of 53mph and grade of…

A: The third equation of motion is  v2 = u2 + 2 a s  where,  u is the initial velocity, v is the final…

Q: A moving train iy brought to reset whAhien 20se by -akalying braker Find the initilad velocidy,if…

A: Given data :                Final velocity  =  v                 Acceleration  =  a…

Q: An object moving at a constant velocity must not have any force of gravity acting on it have no…

A: Newton's first law of motion, also known as the law of inertia, states that an object at rest will…

Q: Write the formula for the resisting force opposing the motion?

A: The resistive force is proportional to the body's velocity, v or the square of its velocity is v2…

Q: A horizontal force of of 300 N is required to maintain constant velocity of a vehicle on the level,…

A: Given : Horizontal force F = 300 N               Force = 1100 N               Speed = 6 m/s…

Q: Frictional force is the resistance of an object to motion. True False

A: Frictional force is a force which oppose the relative motion between two surfaces in contact.

Q: A boat travels at 1.2 m/s in otill waters. The nver has a current of a m/s as illustrated by the…

A: speed of boat in still water = 1.2 m/s along + y axis or northspeed of water current = 2 m/s along…

Q: The velocity of a stone thrown upward with a velocity of 12.0 m/s in a medium that has resistance is…

A:

Q: An electrician holds a chandelier of mass 2.9kg upwards against a ceiling with a force of 47N…

A:

Q: Mention any 3 examples of contact and force field

A: In this, we have to mention 3 examples of contact force and field force.

Q: also called field forces; attracts or repels from a distance or through empty space; no physical…

A: We have to categoried the force which also called field forcesb that attracts or repels from a…

Q: A boat cruises 3 hours upstream with a current of 4kph. The return journey took two hours. To…

A:

Q: As a baseball is being thrown, it goes from 0.0 to 40.0 m/s in 0.42 s. (a) What is the acceleration…

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Q: What is the acceleration of an object which move a diatance of 10 m with the initial velocity of 2.5…

A: Given that, distance(s) = 10m initial velocity(u)= 2.5 m/s time(t) = 5 s acceleration(a) = ?

Q: During takeoff, an airplane goes from 0 to 42 m/s in 13 s. (a) What is its acceleration? (b) How…

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Q: Calculate the tension in the wires if the weight of the Traffic Lights is 5920N B 20° 25° Tension in…

A: weight of traffic light (w) = 5920 N θA = 20oθB = 25o

Q: A car traveling at 22.4 m/s skids to a stop in 2.55 s. Determine the skidding distance of the car…

A: The initial speed of the car, The final speed of the car, The time taken by the car to stop is

Q: A pailicle perform SHM of periad s long. displacement' valocity At cwhech I alceleration of Sęc.…

A: To find- Displacement (x)=?Given-Periodic time (T)=2π3secLength of path (2a)=4 cmAmplitude (a)=2…

Q: If an constant force F is applied, that indicates؟

A: According to Newton's 2nd law   Force F = mass * acceleration            F= ma

Q: A car initially traveling at 12.5 mph comes to rest in 8 s.  What was its acceleration in this time?

A:

Q: A train started in the morning at Am-start(am), stopped in the morning at Am- stop(am) and travelled…

A: Given:In the morning starting time, tm1 = Am-start amstopped at, tm2 = Am-stop  amvelocity of the…

Q: Find the average speed of Leslie when she runs to the store 5.8 km away in 24 min .

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Q: An airplane reaches a velocity of 80 m/s when it takes off. If the runway is 1 km in length, what…

A: Acceleration can be found by using equation of motion .

Q: A motorboat maintained a constant speed of 28 miles per hour relative to the water in going 40 miles…

A: Given data: The speed of the motorboat =28 miles/hr The speed of the current = x miles/hr The…

Q: Find the horizontal and vertical force acting on the block in terms of Q

A:

Q: 12. A particle of mass m falls against a resistance of magnitude kv where vis the velocity and k is…

A: Resistance=Rmass=mvelocity=vpositive constant=kR=-mkv2Write the given values of this problem.

Q: Suppose that there is a force of 200 N pulling an object at 55 degree. Express this force in terms…

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Q: The bed of the truck has a static coefficient of friction of 0.5. How quickly can the truck speed up…

A: The static coefficient is used when the object is kept steady on the friction surface. The kinetic…