A cannon shell is fired straight up from the ground at an initial speed of 225m/s. After how much time is the shell at a height of 6.20*10 2 m above the ground and moving downward?

Q: Which of the vectors is the result of P+ Q?

A: Required : Direction of the resultant vector.

Q: In Figure 1, calculate the magnitude of the net Coulomb force on charge Q2 = +4.0 µC due to charges…

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Q: .. 4.9 A 5.0 N force is applied to a 2.0 kg block on a frictionless surface. The block is initially…

A: Given that:-  Mass of block=2kg Force applied on the block=5N

Q: Question 2.6

A: X(t)= at2+bt3 Where,  a=1.50 m/s2   and   b= 0.05 m/s3 (a)  At  t=0s   , X = X1 (Let) Put  t= 0  ,we…

Q: 1. A circular loop has radius R and carries current 12 in a clockwise direction. The center of the…

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Q: 11) Which of the following represents the power generated by a liquid flowing o of a hole of area A…

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Q: Find the tension in each of the three cables supporting the traffic light if it weighs 160 N. 41°…

A: Weight=160N

Q: Vectors: Problem 60

A: Answer:   As per the given data,   To determine the magnitude of the Resultant pull can be done by…

Q: Determine the acceleration of the cable drawn into the motor to make the load B attain a speed of 8…

A: Given, Speed at load, vB=8m/s Time, t=3s Length of string 1, SB+2SB-SC=l13SB-2SC=l1 Time derivative…

Q: The figure below shows the position of a car every 10 seconds. The red arrows "represents" the…

A: Let v1, v2, v3, v4, and v5 denote the velocity vectors at the times (t) 5 s, 15 s, 25 s, 35 s, and…

Q: In the figure, four long straight wires are perpendicular to the page, and their cross sections form…

A: Four long straight wire are perpendicular to page.Current, I=26 ALength, a=25 cm Find out - The…

Q: Q.3) Please explain Newton's laws of motion.

A: Newton's laws of motion are a set of three laws in classical mechanics, which together establish an…

Q: Which of the vectors is the result of P- Ó? 11 A. B. В. С. D. O D O B

A: Option D

Q: 5. Suppose hat a particular muchine in a facfoal has two 'steel pieces that must (ub against each…

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Q: Question 2.7

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Q: Particle A of charge 3.18 x 10-4 C is at the origin, particle B of charge -5.82 x 10-4 C is at (4.00…

A: Given data: Charge on particle A, qA=3.18×10-4C at 0,0 Charge on particle B, qB=-5.82×10-4C at 4,0…

Q: A pebble is dropped from rest from the top of d falls 4.9 m after 1.0 s has elapsed. How much fa…

A: Given:-  A pebble is dropped from the rest from the top of the cliff   it falls in  t= 1 sec to d =…