Recent content by aszymans

Homework Statement An green hoop with mass mh = 2.4 kg and radius Rh = 0.12 m hangs from a string that goes over a blue solid disk pulley with mass md = 2.4 kg and radius Rd = 0.11 m. The other end of the string is attached to a massless axel through the center of an orange sphere on a...

I was doing it wrong, and then I thought I was doing it correctly now, but am still getting the wrong answer. I am finding the x and y of each piece that we are given theta by taking the cos(theta)=x/v then found x(cm) by taking the x value and multiplying it mass then dividing by total mass...

Explosion of ball! Homework Statement An object with total mass mtotal = 16.6 kg is sitting at rest when it explodes into three pieces. One piece with mass m1 = 4.9 kg moves up and to the left at an angle of θ1 = 18° above the –x axis with a speed of v1 = 25.5 m/s. A second piece with mass...

Homework Statement Now the racquet ball is moving straight toward the wall at a velocity of vi = 12.4 m/s. The ball makes an inelastic collision with the solid wall and leaves the wall in the opposite direction at vf = -8.2 m/s. The ball exerts the same average force on the ball as before...

Homework Statement A racquet ball with mass m = 0.247 kg is moving toward the wall at v = 12.4 m/s and at an angle of θ = 32° with respect to the horizontal. The ball makes a perfectly elastic collision with the solid, frictionless wall and rebounds at the same angle with respect to the...

Car Truck Collisins w/ ANGLES! Homework Statement A blue car with mass mc = 431 kg is moving east with a speed of vc = 19 m/s and collides with a purple truck with mass mt = 1298 kg that is moving south with a speed of vt = 12 m/s . The two collide and lock together after the collision...

Homework Statement You plan to take a trip to the moon. Since you do not have a traditional spaceship with rockets, you will need to leave the Earth with enough speed to make it to the moon. Some information that will help during this problem: mearth = 5.9742 x 1024 kg rearth = 6.3781 x...

Homework Statement A man with mass m1 = 60 kg stands at the left end of a uniform boat with mass m2 = 165 kg and a length L = 3.6 m. Let the origin of our coordinate system be the man’s original location as shown in the drawing. Assume there is no friction or drag between the boat and water...

also in the first part of the question when solving for "D" I am still confused, in the equation you told me to use "-GMm/r, is Mm the mass of the moon or did you mean mass of moon times mass of earth?

what did you use for me "m" in 1/2mv^2

Homework Statement You plan to take a trip to the moon. Since you do not have a traditional spaceship with rockets, you will need to leave the Earth with enough speed to make it to the moon. Some information that will help during this problem: mearth = 5.9742 x 1024 kg rearth = 6.3781 x...