When an empty freight train of mass mo starts, loading of coal in the train begins at a constant rate r from a stationary hopper. If the track is horizontal and engine pull Fis a constant, deduce expression for speed of the train as a function of time t. Neglect all resistive forces. Ft

Q: 3. Find the resultant using polygon method. (Scale: 4n = 1cm) %3D Given:

A:

Q: Wooden cube, density 620kg/m², is 0.08m tall, 0.12m wide, and 0.12m thick. It floats in a liquid…

A:

Q: Problem 1: A horizontal force, F, = 65 N, and a force, F2 = 18.1 N acting at an angle of 0 to the…

A: We have to calculate the acceleration of the block.   Given :- The forces are F1=65 N , F2=18.1 N.…

Q: Example 3: Mohammad decides to take his friends for a picnic. He will row his boat full of friends…

A:

Q: • Mr. Muscedere slams on the breaks. The force of friction his brakes applies is 1400 N. If he…

A: We know that work done θ W=Fdcosθ Where F is force applied d is displacement  θ is angle between…

Q: A circuit has three resistors, 1200N, 2400N, and 4200N that are connected to a 12V battery in…

A:

Q: An arrow is launched horizontally from a bow. The arrow Is accelerated from rest to 21.0m/s over a…

A:

Q: The side of a square measures 4 m in length. What is the area of the square? O 16 x 10 -4 cm² O 16 x…

A: Side , a = 4 m To find = Area

Q: Moses wanders through the wilderness, starting at the position 10 m [E]. (1) On the v-t graph,…

A:

Q: Mk=0.7. 10 kg TIR A 10-kg box is at sliding to the right on the floor. A rope is attached to the box…

A: mass of box = m = 10 kg co efficient of friction = 0.7 acceleration = a = 6 m/s2

Q: satellite has a mass of 5.00 x 10 ne mass of the Earth is 5.98x102 Calculate the gravitational force…

A: Gravitation force between two masses F = Gm1 m2 /r2

Q: A 1 B 3. 2 C 3 D 4 E The figure above shows four very thin parallel planes of charge with equal…

A:

Q: A curious child stands on the top of a 730 m skyscraper and drops a coin from the top of the…

A: The height of the skyscraper is given as h=730 m

Q: 4. If two equal charges of 35.00 C each are separated in the air by a certain distance of 1.00x103…

A:

Q: Why not draw the line on my graph by simply connecting two of the data points, for example the first…

A: Consider the given data below,

Q: Problem Solving Directions: Read and analyze the given situation. Show your solution and box your…

A:

Q: Question 3 Mr. Muscedere gets on his bike and rides 11m in the direction of (E52S]. The then changes…

A: The component of a vector A along an axis with which it makes an angle theta is given as:And the…

Q: 2. Thomas put on his big-pack of weight 120N. He then starts running on level ground for 100m. After…

A:

Q: A scanning electron micrograph of xylem vessels in a corn root shows the vessels magnified by a…

A:

Q: A particle with a charge of -8.0x10-18 C moves to the left at a speed of 4x103 m/s. It enters a…

A: Recall FE→=qE→ Also FB→=q(V→×B→) To move on st.line Net force on charged particle should be zero.