# A body of mass is 5kg moving with a velocity of 20m due south hits a stationary body of mass is 3kg if they move together after collision with a velocity due south what is d value of l

66,244 questions
1. ## Physics

A body of mass is 5kg moving with a velocity of 20m due south hits a stationary body of mass is 3kg if they move together after collision with a velocity due south what is d value of l

asked by Amara on February 10, 2019
2. ## Physics

A body P of mass 5kg moving with a velocity of 30M/s collids with another body q moving in opposite direction with a velocity of 20m/s.If the bodies now move in the direction of P at velocity 10m/s.calculate the mass of q

asked by Datu on February 17, 2016
3. ## physics

A body of mass 5kg moving with a speed of 3m/s collides head on with a body of mass 3kg moving in the opposite direction at speed of 2m/s The first body stops after the collision The final velocity of the second body is Ans:3m/s

asked by Thousif on August 21, 2017
4. ## Math

A body of mass 3kg moving at 15m/s collides with another body of mass 5kg moving at 26 m/s in the same direction. After collision the 5kg body moves at 39.8m/s in the same direction. Find the velocity of the 3kg body after collision

asked by Anosah Godfred on July 26, 2018
5. ## science

a body B moving a velocity of 20m/s collid with anothet body A moving in the same direction on the same horzontal line with a velocity of 10m/s, if the of body A is three time the same of body B and the collion perfectly elastic calculate the velocity of A

asked by manbud on October 10, 2015
6. ## Elementary mechanics

A force of 2i+7jN acts on a body of mass 5kg for 10 seconds. The body was initally moving with constant velocity of i-2jm/s.Find the final velocity of the body in m/s, in vector form. (a)5i+12j(b)12i-5j(c)10i-7j(d)7i+10j

asked by jane on July 14, 2013
7. ## 11 grade / physics

find the work by a body which is moving with a velocity of 10m/s and after covering some distance it has the velocity of 20m/s mass of the body 100kg

asked by ajay on May 11, 2017
8. ## pysc

an object A 2.5kg is traveling at 25meters per second collides head on with a 5kg mass b calculate the velocity of the 5kg mass if 1.the mass b is initially at rest 2.traveling opposite to mass A at 20m/s 3.traveling in the same direction as A at 12m/s

asked by shristi on March 5, 2011
9. ## Physics

1) A 2.5kg durian falls from a tree with a height of 30m. Determine the energy before it falls in Joule. 2) A 2.5kg durian falls from a tree with a height of 30m. Determine the velocity when it drops 20m from the ground. 3) A 2.5kg durian falls from a tree

asked by Enileda on September 25, 2016
10. ## physics

A body of mass 10 kg is moving with uniform velocity 20m/sec. Calculate its velocity if it enters in a black hole?

asked by rakesh on December 29, 2016
11. ## physics

a body British moving with a velocity of 20ms(power -1) collides with another body A, moving in the same direction on the same horizontal line with a velocity of 10ms (power -1).if the mass of the body A is three times the mass of body B, and the collision

asked by David on January 30, 2017
12. ## physics

A heavy ball A of mass 10kg is moving at a velocity of 10m/s to the right. When it hits a stationary ball B of mass 5kg, ball B moves at a velocity of 10m/s to the right. a) explain whether it is inelastic collision or not.

asked by Anonymous on November 20, 2010
13. ## PHYSICS

1.Two trolleys X and Y with momenta 20 Ns and 12 Ns respectively travel along a straight line in opposite directions before collision. After collision the directions of motion of both trolleys are reversed and the magnitude of the momentum of X is 2 Ns.

asked by ROSELINE on May 24, 2013
14. ## Physics

A body of mass 10kg moving with velocity 30m/s collide with another body of mass 15kg.If the velocity of both the body are same after collision.Then find their common velocity.

asked by Aarushi on August 9, 2012
15. ## Science

A body of mass 8kg moving with a velocity of 10m/s collides with another body of mass 6kg moving in the opposite direction with a velocity of 50m/s.determine their common velocity in the direction of A after collision

asked by Yunus on February 1, 2016
16. ## maths

A body of mass 11kg falls freely from rest from a height of 15m above the ground. 3m above the ground it breaks through a thin roof before continuing its fall. (a) given that the work done in breaking through the roof is 130 J. Calculate the velocity of

asked by gale gale on February 9, 2015
17. ## maths

A body of mass 11kg falls freely from rest from a height of 15m above the ground. 3m above the ground it breaks through a thin roof before continuing its fall. (a) given that the work done in breaking through the roof is 130 J. Calculate the velocity of

asked by gale gale on February 9, 2015
18. ## Physics

A body of mass 20 kg moving with a velocity of 80 m/s collied with another body mass of 5 kg moving with a velocity of 50 m/s. If they move together after colision. Find common velocity.

asked by Ujjal on September 24, 2014
19. ## physics

Two buckets each of mass 5kg are connected one each end of a light inextensible string going over a smooth pulley. A piece of putty of mass 2kg is dropped through a height of 20m into one bucket and become attached. Calculate (i) The initial velocity of

asked by M on May 9, 2018
20. ## physics

a coast guard ship is traveling at a constant velocity of 4.20m/s, due east, relative to the water. on his radar screen the navigator detects an object that is moving at a constant velocity. the object is located at a distance of 2310m with respect to the

asked by ajo on November 17, 2007
21. ## Physics

A body of mass 5kg falls from a height of 10m above the ground.what is the kinetic energy of the body just before it hits the ground.[g=10ms-2

asked by Ridwan on February 19, 2012
22. ## physics

Object 1 has a velocity of 3m/s and a mass of 5kg. Object 2 also has a mass of 5kg but isn't moving. Object 1 collides with Object 2 and they move off together. Work out their speed using the principle of conservation of momentum.

asked by help me on March 3, 2015
23. ## physics

the velocity of a body moving with uniform acceleration is 10m/s at a particular instant. its velocity after 5 sec is 20m/s. what was the velocity of the body 3 sec before that instant?

asked by Anonymous on September 11, 2016
24. ## physics

A body of mass 5kg is to be given an acceleration of 20m/s2.calculate the force required when acceleration is vertically upwards (g=10m/s2)

asked by Abdullahi on January 20, 2016
25. ## Physics

A body moving with a velocity at 10 ms collides with a stationery box of mass 100 kg.I f the body has a mass of 50 kg and the two move together after collision.Find their final velocity?

asked by Isaac on January 18, 2016
26. ## Physics

A body moving with a velocity at 10 ms collides with a stationery box of mass 100 kg.I f the body has a mass of 50 kg and the two move together after collision.Find their final velocity?

asked by Isaac on January 18, 2016
27. ## science

A body of mass 20kg moving with a velocity of 8m/s collides with a stationary body of mass 10kg and the two stick together.They then move with a common velocity V.Find the value of V.

asked by emmanuel on August 26, 2015
28. ## Physics

Object A is moving due east, while object B is moving due north. They collide and stick together in a completely inelastic collision. Momentum is conserved. Object A has a mass of mA = 17.0 kg and an initial velocity of VoA = 8.15 m/s, due east. Object B,

asked by Jennifer on March 5, 2015
29. ## physics

A 4.5 kg body moving in the +x direction at 5.5 m/s collides head-on with a 2.5 kg body moving in the -x direction at 4.0 m/s. Find the final velocity of each mass for each of the following situations.The collision is elastic. (4.5 kg mass) (2.5 kg mass)

asked by Lily on November 7, 2010
30. ## physics

A sandal is dropped from the top of a 15.0-m-high mast on a ship moving at 1.75 m/s due south. Calculate the velocity of the sandal when it hits the deck of the ship: (a) relative to the ship and (b) relative to a stationary observer on shore. (c) Discuss

asked by Anonymous on May 18, 2017
31. ## cpcc

a small plane is traveling due south a t a velocity of 90 m/s. It suddenly encounters a tailwind of 27 m/s heading due south. what is The "air velocity" of the plan stays the same....but what is the resultant velocity (aka..."ground velocity") of the

asked by sylvia on June 5, 2017
32. ## Science

An object with a mass of 5kg collides witn an object with a mass of 3kg that is stationary.the two objects stick together and move on with a velocity of 6m.-1 .what was the velocity of the 5kg mass before the collision took place?

asked by Zinhle on February 13, 2012
33. ## Physics

A bullet whose mass is 0.0015kg leaves a 5kg leaves a 5kg rifle at a muzzle velocity of 800 m/s. It strikes a 7kg block of wood and becomes embedded in it. After the bullet hits the rock, what is the speed of the bullet/ block system?

asked by Lucas on January 15, 2014
34. ## Physics

A body of mass 2kg moving with velocity of 5m/s collides with a stationary body of mas 500g. if the two bodies move together after impact. calcalate the magnitude of their common velocity

asked by Ritanoe on February 11, 2014
35. ## Physics

A body of mass 22kg moving with velocity of 5m/s collides with a stationary body of mas 500g. if the two bodies move together after impact. calculate the magnitude of their common velocity

asked by Ritanoe on February 11, 2014
36. ## Physics

A mass of 5Kg is 1st weighed on a balance at the top of a tower 20m high.The man is then suspended from a fine wire 20m long and reweivhed.find the difference in a weight ,assuming that the radius of the earth is 6400km,the mass of the earth is 6×10^24kg

asked by Olushola on March 13, 2015
37. ## physical science

Which of the following four bodies has the greatest kinetic energy? a. A body of mass 1 kg moving with speed 1000 m/s. b. A body of mass 2 kg moving with speed 50 m/s c. A body of mass 3 kg moving with speed 50 m/s d. A body of mass 50 kg moving with speed

asked by Fonda on December 15, 2011
38. ## physics

A 1000kg automobile is moving along a straight highway at 10m/s. another car with mass 2000kg and moving with a velocity in the same direction 20m/s at 30m ahead of the first. find the momentum

asked by Anonymous on November 5, 2011
39. ## physics

Object A is moving due east, while object B is moving due north. They collide and stick together in a completely inelastic collision. Momentum is conserved. Object A has a mass of mA = 17.5 kg and an initial velocity of = 8.50 m/s, due east. Object B,

asked by Ray on October 10, 2013
40. ## Physics

Object A is moving due east, while object B is moving due north. They collide and stick together in a completely inelastic collision. Momentum is conserved. Object A has a mass of mA = 17.9 kg and an initial velocity of = 8.82 m/s, due east. Object B,

asked by Tim on November 4, 2012
41. ## Physics

A body of mass m moving vertically with speed 3 m/s hits a smooth fixed inclined plane and rebounds with a velociw vf in the horizontal direction. If angle of inclined plane is 30°, the velocity of will be

asked by Vishesh on April 21, 2017
42. ## physics

A 2 kg body and 3 kg body are moving along x-axis .At a particular instant ,the 2 kg body has a velocity of 3 m per sec and the 3 kg body has the velocity of 2 m per sec . The velocity of the center of mass at that instant is.

asked by kirti on September 15, 2015
43. ## Physics

a ball of mass 0.2 kg, initially at rest, is kicked directly toward a fence from a point 20m away. The velocity of the ball as it leaves the kicker's foot is 20m/s at angle of 40º above the horizontal ground. The top of the fence is 4m high. THe kicker's

asked by puff puff on September 17, 2006
44. ## PHYSICS

MAXIMUM ELLONGATION IN SPRING WHEN THE MASS WITH SPRING IS THROWN WITH VELOCITY 4M FROM EQUILIBRIUM GIVEN THAT K=50 MASS OF BODY IS 5KG

asked by KOMAL on November 3, 2010
45. ## Physics

In a fireworks display a 3 kg body moving at 4 km/h due north explodes into three equal pieces: A, at 4 km/h east; B, at 5 km/h 37 degrees south of west; and C, at 15 km/h due north. After the explosion, what is the total momentum of all the pieces?

asked by Nhii on November 29, 2011
46. ## Physics

A force was applied on a mass of 2kg moving at velocity of 5m/s. If the velocity changed to 20m/s in 4s find the change in momentum and the force

asked by Shazra on February 4, 2013
47. ## Physics

A Ball of Mass 0.5kg Moving At 10m/s Collide With Another Ball Of Equal mass At Rest.If The Two Balls Move Together After The Impact Calculate Their common Velocity

asked by Physics on February 22, 2017
48. ## physics

a body is moving with a velocity of 20 meter per second is apply abrack such that it stop in 2 second mass of body is 20 kg find the forse appley by brack

asked by pankaj on September 25, 2016
49. ## Physics

A bullet of mass 5 g with velocity 1000m/s hits a wooden block of 1.5kg at rest. If the bullet penetrates through the block with a velocity of 400m/s, calculate the maximum height in which the block is lifted from its initial position.

asked by Thiynes on July 14, 2014
50. ## maths,science, physics

A toy locomotive of mass 420g moving at 30cm s^-1 south collides with a carriage of mass 200g moving at 30cm s^-1 north. If they become couple together, what is their common velocity after the collision?

asked by Oxy on June 5, 2016
51. ## Physics

I'm preparing for a test. Can anyone check my answer for all these questions? These are my questions: 1. A stationary curling stone is struck in a glancing collision by a second curling stone of equal mass. If the first stone moves away at a velocity of

asked by Matt Damon on January 31, 2016
52. ## Physics

I'm preparing for a test. Can anyone check my answer for all these questions? These are my questions: 1. A stationary curling stone is struck in a glancing collision by a second curling stone of equal mass. If the first stone moves away at a velocity of

asked by KevJumba on January 30, 2016
53. ## Physics - Am I correct?

I'm preparing for a test. Can anyone check my answer for all these questions? These are my questions: 1. A stationary curling stone is struck in a glancing collision by a second curling stone of equal mass. If the first stone moves away at a velocity of

asked by JOHN CENA on January 28, 2016
54. ## PHYSICS MAT

A bullet of mass 5 g with velocity 1000m/s hits a wooden block of 1.5kg at rest vertically. If the bullet penetrates through the block with a velocity of 400m/s, calculate the maximum height in which the block is lifted from its initial position.

asked by Thiynes on July 14, 2014
55. ## science

A body was moving with a velocity 60km/hour. It is brought to rest by applying a force of 200newton.Find the mass of body in5sec

asked by Aisha on November 19, 2017
56. ## Science

Maddy hits a golf ball up into the air with an initial velocity of (20m/s, 49m/s). Record the horizontal velocity, & vertical velocity at each second for 10 seconds.

asked by Anonymous on November 15, 2012
57. ## Physics

a foam boulder has a mass of 2kg and a velocity of 20m/s. a stone boulder has the same velocity (20m/s) but a mass of 20kg. which of the two has more momentum? Explain.

asked by Chita_Cheee on April 9, 2012
58. ## Physics

A roller coaster cart travelling due north at 20m/s that turns left during an interval of 4.0s without changing speed. Find the average acceleration. I understand the mathematics behind it (using pythagoras's theorem to find velocity and the formula

asked by Annie on March 17, 2013
59. ## science

by how much does the momentum of a body of mass 54kg change when its speed 1.decreases from 20m/s to 0.20m/s ;and 2.increases from 30m/s to 40m/s

asked by sambhu on July 7, 2011
60. ## physics

Calculate the resultant force when four forces of 30N due east 20N due north 50N due West and 40N due south are acted upon a body

asked by Suraj on September 18, 2016
61. ## PHYSICS

A boy tosses a coin upward with a velocity of 20m/s What will be the maximum height? Time of flight? Velocity as it returns to the hand? Velocity as it hits the ground?

asked by Valor on August 13, 2017
62. ## Physics

Rank the magnitude of the change in momentum of a ball from largest to smallest in the following situations: a) The ball is moving with constant velocity, hits a wall, and stops moving. b) The ball is moving with constant velocity, hits a wall, and bounces

asked by alison on October 12, 2018
63. ## Physics

A 0.50 kg ball is moving with a velocity of 8.0 m/s along a horizontal floor. It hits another ball with a mass of 0.80 kg and moving at 10.0 m/s in the opposite direction. If the first ball bounces back with a velocity of 12 m/s, with what velocity and in

asked by Johnrey on November 18, 2014
64. ## PHYSICS

How do I solve this? Object A is moving due east, while object B is moving due north. They collide and stick together in a completely inelastic collision. Momentum is conserved. Object A has a mass of mA = 16.6 kg and an initial velocity of nu Overscript

asked by KS on April 26, 2015
65. ## physics

Consider a body falling through the air. The force due to air resistance is given by, F(air)=CAv^2, where C is the coefficient of air friction, A is the area facing the direction of the motion, and V is the velocity of the object with respect to the air.

asked by jim on April 5, 2012
66. ## physics

Object A is moving due east, while object B is moving due north. They collide and stick together in a completely inelastic collision. Momentum is conserved. Object A has a mass of mA = 16.7 kg and an initial velocity of nu Overscript bar EndScripts

asked by alika on October 2, 2014
67. ## Physics help

I'm preparing for a test. Can anyone check my answer for all these questions? These are my questions: 1. A stationary curling stone is struck in a glancing collision by a second curling stone of equal mass. If the first stone moves away at a velocity of

asked by I NEED DAMON'S HELP on January 28, 2016
68. ## physics

Mario, a hockey player, is skating due south at a speed of 7.05 m/s relative to the ice. A teammate passes the puck to him. The puck has a speed of 9.69 m/s and is moving in a direction of 16.2 ° west of south, relative to the ice. What are (a) the

asked by DK on October 1, 2008
69. ## Physics

Mario, a hockey player, is skating due south at a speed of 6.6 m/s relative to the ice. A teammate passes the puck to him. The puck has a speed of 12.9 m/s and is moving in a direction of 23° west of south, relative to the ice. What are the magnitude and

asked by Mario on October 9, 2013
70. ## physics

Mario, a hockey player, is skating due south at a speed of 5.4 m/s relative to the ice. A teammate passes the puck to him. The puck has a speed of 10.0 m/s and is moving in a direction of 27° west of south, relative to the ice. What are the magnitude and

asked by butcha on October 13, 2013
71. ## Physics

In an elastic collision: mass a is 1kg, and is moving at 100ms^1 in the +ve x direction when it hits mass b, 10kgs at rest. Given: mass a moves off at 80 ms^1 in the -ve x direction. What's the final velocity of mass b. Using cons of momentum, i say 2 ms^1

asked by charlie on June 16, 2009
72. ## Physics

A 4kg block, initially moving due east at 3 m/s, is acted upon by an impulse having magnitude 8Ns and direction due west. Is the final velocity of the block 2m/s west? This is how I came to that answer: v = impluse/mass so 8/4 = 2. Although this is the

asked by sarah on November 10, 2009
73. ## Physic

A Coast Guard ship is traveling at a constant velocity of 4.13 m/s, due east, relative to the water. On his radar screen the navigator detects an object that is moving at a constant velocity. The object is located at a distance of 3900 m with respect to

asked by Anonymous on September 30, 2015
74. ## science

A net force of 10N to a 5kg mass. By how much does a body accelerate? Given: F=10N; M=5kg

asked by sophia lorraine on December 5, 2011
75. ## PHYSICS

At what height above the ground must a body of mass 10kg be situated inorder to have potential energy equal in value to the kinetic energy possessed by another body of mass 10kg moving with a velocity of 10m/s?

asked by Anonymous on January 30, 2016
76. ## Physics

At what height above the ground must a body of mass 10kg be situated in order to have potential energy equal in value to the kinetic energy possessed by another body of mass 10kg moving with a velocity of 10ms-1 ?

asked by Rotimi oluwafunmilayo on January 20, 2019
77. ## PHYSICS

AT WHAT HIGHT ABOVE THE GROUND MUST A BODY OF MASS 10KG IS SITUATED IN OTHER TO HAVE POTENTIAL ENERGY EQUAL IN VALUE TO THE KINETIC ENERGY POSSESSED BY ANOTHER BODY OF MASS 10KG MOVING WITH A VELOCITY OF 10M/S

asked by ALLI on January 30, 2019
78. ## physics

At what height above the ground must a body of mass 10kg be situated in order to have potential energy in value to the kinetic energy possessed by another body of mass 10kg moving with a velocity of 10m-s

asked by sarah on May 25, 2015
79. ## PHYSICS

AT WHAT HIGHT ABOVE THE GROUND MUST A BODY OF MASS 10KG IS SITUATED IN OTHER TO HAVE POTENTIAL ENERGY EQUAL IN VALUE TO THE KINETIC ENERGY POSSED BY ANOTHER BODY OF MASS 10KG MOVING WITH A VELOCITY OF 10M/S

asked by ALLI on January 30, 2019
80. ## physics

1.A body with an initial velocity of 18km/hr accelerates uniformly at the rateof 9cm/sec2over a distance of 200m.Calculate, a)the acceleration in m/sec2 b)its final velocity in m/s 2.The distance travelled by a body moving with uniform acceleration in the

asked by srikar on May 19, 2012
81. ## Physics

A car X moving of mass 500kg accelerates at 1m/s2 when the force due to the engine is 600N. Starting from rest, a car of mass 1000kg accelerates steadily to 20m/s in 10 secs. What is the average power developed

asked by Anonymous on August 5, 2017
82. ## Physics

Body A of mass 5kg and body B of mass 3kg are connected by a light string. If the coefficients of friction for A and B are 0.4 and 0.2 respectively, find the acceleration of the system and the tension in the string

asked by Dan Ira King on November 26, 2017
83. ## physics

A body of mass 0.4kg moving with constant speed of 10m/s to north is subjected to a constant force of 8 N directed towards the south for 30s. Take the instant the force is applied to be t=0, the position of the body at that time to be x=0 and t =-5s and

asked by jeet mali on October 24, 2015
84. ## College Physics

Two cars collide at an icy intersection and stick together afterward. The first car has a mass of 1050Kg and was approaching at 8.00m/s due south. The second car has a mass of 700Kg and was approaching at 20.0m/s due west. A) Calculate the final velocity

asked by Josie on April 16, 2015
85. ## Physics

1)A car is moving with uniform accelaration. It moves along two point A and B and enters with velocity 50 m/s and 80 m/s respectively . Find the velocity when the car is moving in b/w the point A and B. Here the body is not starting from rest. Now if it is

asked by Prathiksha on August 23, 2011
86. ## physics

a 100g mass of cookie dough hits inelastically with a 300g mass of cookie dough and they stick. the 100 g mass was moving to the right at 40 m/s and the 300g mas was moving to the left at 5 m/s. what is the final velocity of the massive cookie dough ball?

asked by Dee on October 3, 2013
87. ## 10 th physics

Please help me to solve this problem. A body is projected vertically upwards with a velocity 20m/s. find the maximum height reached by the body.(g=10m/sec2)

asked by ramesh reddy on March 9, 2009
88. ## physics

Please help me to solve this problem. A body is projected vertically upwards with a velocity 20m/s. find the maximum height reached by the body.(g=10m/sec2)

asked by ramesh reddy on March 9, 2009
89. ## science

Please help me to solve this problem. A body is projected vertically upwards with a velocity 20m/s. find the maximum height reached by the body.(g=10m/sec2)

asked by ramesh reddy on March 9, 2009
90. ## physics

A 14 kg body is moving through space in the positive direction of an x axis with a speed of 220 m/s when, due to an internal explosion, it breaks into three parts. One part, with a mass of 6.4 kg, moves away from the point of explosion with a speed of 190

asked by john on March 29, 2011
91. ## physics

What will be the force of impact on a rectangular body weighing 1200 lb and moving lengthwise at a constant speed of 3 miles per hour when the body hits a stationary wall at 90 degrees and when it hits the stationary wall at 45 degrees?

asked by Moin on January 5, 2012
92. ## Physics

A 6.2 kg model rocket is traveling horizontally and due south with a speed of 20.3 m/s when it explodes into two pieces. The velocity of one piece, with a mass of 1.6 kg, is v1 = (-12 m/s)i + (30 m/s)j + (15 m/s)k, with i pointing due east, j pointing due

asked by Nat on February 24, 2014
93. ## Math

If v=3i+4j+5k is the instantaneous velocity of a body mass 1.5kg. Calculate it's kinetic en ergy.c choose the correct one a)37.5joules b)47.5joules c)57.5joules d)none

asked by Rehan on October 16, 2018
94. ## physics

( 1.) An objectis thrown upward from the edge of a tall building with a velocity of 10m/s. Where will the object be 3s after it is thrown? Take g = 10m/s^2 15m above the top of the building 30m below the top of the building 15m below the top of the

asked by lawrence on October 12, 2011
95. ## sicence

A body of mass 5.0kg initially at rest from height of 4.0m.calculate its final velocity just before it hits the ground

asked by chidimma nwachukwu on March 21, 2015
96. ## physics

a body of mass 5kg initially at rest is subjected to a force of 20N. find the kinetic energy acquired by the body at the end of 10s.

asked by prudhvi on January 16, 2013
97. ## Physics 1

A body of mass 6kg moving at 8m/s collides with a stationary body of mass 10kg and sticks to it. Find the speed of the composite body immediately after the impact.

asked by Dan on June 10, 2013
98. ## physics

a base ball player hits a home run and the ball lands in the left field seats 10m above the point at which the ball was hits. the ball lands with a velocity of 20m/s at angle of 30 degere below the horizontal.ignoring air reference find the initial

asked by abebe on June 15, 2012
99. ## science

A body of mass 10kg is raised through a height of 15m from the ground where it was initially at rest when it was at that height it has velocity of 20m/s. find the work done.

asked by isha rani on September 27, 2018
100. ## physics

A body of mass 1 kg and velovity 10 m/s collides with another body if mass 3 kg and velocity 2 m/s comming from the exactly opposite direction. if on collision the body's much into one find the magnitude and direction of common velocity

asked by Shraddha on January 7, 2014