Physics

Replies / Views	Last post
Star A has a temperature 3 times that of star B. Both star A and star B are the Started by futuristic	1 Replies 1,325 Views	Aug 28, 2013 by curlz
Star A and star B have the same temperature, but star A is 5 times bigger than s Started by futuristic	1 Replies 881 Views	Aug 28, 2013 by curlz
Star A has a temperature 1/4 that of star B. Both star A and star B are the same Started by futuristic	1 Replies 1,167 Views	Aug 28, 2013 by curlz
A projectile is fired from the ground at an angle of 30 degrees above the horizontal,? Started by Hawke	2 Replies 956 Views	Jul 3, 2013 by Hawke
A projectile is launched from ground level to the top of a cliff which is 195 away and 155 high.? Started by aero	2 Replies 1,575 Views	Jun 29, 2013 by aero
A projectile is launched at a certain speed at an angle of 27.5 degrees from the horizontal. Find the ratio o? Started by camila	2 Replies 832 Views	Jun 29, 2013 by camila
What is the initial velocity of the projectile, expressed in (m/s) if its density is 18.95 g/cm3 ? Started by camila	2 Replies 719 Views	Jun 29, 2013 by camila
What is made from semiconductors and need little voltage? Started by j_sun	2 Replies 2,298 Views	Jun 24, 2013 by TI
How to calculate the velocity of projectile when it hits the ground and its displacement? Started by Melanie	2 Replies 850 Views	Jun 24, 2013 by Melanie
An object is dropped off a 5,000 foot cliff. How long will it take the object to fall to the bottom of? Started by ricki	2 Replies 1,034 Views	Jun 23, 2013 by coco
What is the equation for the velocity in projectile motion? Started by ricki	1 Replies 991 Views	Jun 23, 2013 by Millan
How do you solve the following physics problem? Started by federox	2 Replies 1,256 Views	Jun 23, 2013 by ricki
Can air friction stop a projectile in motion from moving in the x direction? Started by TI	1 Replies 987 Views	Jun 23, 2013 by Jesse_J
When is a planetary body or a star used as a slingshot and why? Started by Hawke	7 Replies 1,482 Views	Jun 23, 2013 by Sandstorm
How do I calculate the velocity at impact in projectile motion? Started by j_sun	2 Replies 1,033 Views	Jun 23, 2013 by Melanie
Can I determine exactly how much a marksman should lead a moving target? Started by Sandstorm	4 Replies 958 Views	Jun 23, 2013 by curlz
What is the distance that a projectile lands from its origin? Started by Hungry!	3 Replies 1,062 Views	Jun 23, 2013 by curlz
A projectile of mass 0.246 kg is shot from a cannon. The end of the cannon?s barrel is at height 7 m, as shown? Started by coco	1 Replies 1,079 Views	Jun 23, 2013 by ricki
A projectile is shot from the edge of a cliff 145m above ground level with an initial speed of 60.0m/s at an? Started by camila	2 Replies 845 Views	Jun 23, 2013 by Hawke
The initial velocity of a projectile is 40m/s. The y component of the velocity is 50% of the initial velocity.? Started by j_sun	1 Replies 1,394 Views	Jun 23, 2013 by coco
How to calculate the final velocity of an object launched at an angle differing from the one itapproache groun? Started by ricki	1 Replies 1,062 Views	Jun 23, 2013 by Jones
How does increasing the mass of the counterweight on a trebuchet affect how far it can launch a projectile? Started by Hungry!	2 Replies 893 Views	Jun 23, 2013 by Hawke
What is escape velocity from the center of the Earth? Started by hummingbird	2 Replies 1,259 Views	Jun 23, 2013 by Sandstorm
Is it possible to find the velocity of a projectile given a point on the path and the angle of projection? Started by hummingbird	3 Replies 1,263 Views	Jun 23, 2013 by ricki
The launching velocity of a projectile is 20 m/s at 53° above the horizontal. What is the vertical component o Started by j_sun	2 Replies 1,365 Views	Jun 23, 2013 by Sandstorm