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- Atwood machine question: (When M1 and M2 are equal) explain what happens when one side is pulled down and released (while still in motion)? Explain qualitatively what happens after releasing the mass. Do they continue moving? Do they speed up? Slow down? Explain this result. Use appropriate terminology (velocity, acceleration) to compare the motion of each set of washers.3) So, James makes it to the other side, but obviously doesn’t catch Kevin. He decides to go back to the lab and test some other ideas. One involves pulleys, rope, and blocks. He sets up a system of pulleys as shown. The coefficient of kinetic friction on the table is 0.12. a) What is the acceleration of the three objects? b) What is the tension in each of the two strings? (SHOW ALL WORK, UNITS AND FORMULAS USED)1. When does Car Two catch Car One? 2.Final Velocity when Car Two catches car One 3.Time when Car Two begins to move faster than Car One (or after 20 seconds) SHOW WOrk
- Marky jumps from one clip to another using his bike. It was known that the distance between the safe landing points of the cliffs is 50 m. If Marky jumps at 30 kph and 45 degrees from the horizontal, will Marky be able to land to the other cliff safely? If not, at what coditions will Marky land safely?Answer neatly Joe wants to test how fast can SuperMan save him if he jumps of a cliff 180m high. He recorded that after 5 seconds, SuperMan arrives at the cliff and dives to save Joe. SuperMan leaves the cliff with an initial velocity to give him a push to catch Joe, and later on act on a free fall as Joe is. Compute the initial velocity of SuperMan so he can catch Joe before they hit the ground.Questions on Forces and Motions (Unit: Dynamics) a) List four forces that act on a downhill skierb) How does equipment used by downhill skiers reduce friction and resistancec) Does a large mass necessarily cause a skier to go faster? Explian your answerd) Why is a helmet important for a downhill skier?
- I need help ASAP thank you so much. Johnny is pulling a cart (10 kg) to the left with a force of 50 N. There is a force of friction of 40 N acting on the cart. 1. What is the net force (Fnet) acting on the cart? Include the unit and direction of the net force. 2. As a result of the net force in (b), what is going to happen to the motion of the cart? Must describe velocity and direction of the motion. Use word bank below for the answer to this. Word Bank: constant velocity, going faster/slower, to the left/right 3. What is your scientific data supporting your claim? Include unit and direction of your evidence. 4. Why does your evidence support your claim?Dynamics with calculus 2 A cart with mass 17.6 kg is intitally at rest. You get it moving by pushing on the cart at an angle of =399 as shown above. The magnitude of your force as a function of time is given by: FYc(t)=F0e−bt, where b=068s−1 and F0=834N. You can assume that the wheels roll perfectly on the ground. What is the speed of the cart when t=31s?A 2.0 kg object is moving to the right with a speed of 1.0 m/s when it experiences the force shown. What are the object’s speed and direction after the force ends? Express your answer to two significant figures and include the appropriate units. Enter positive value if the speed is directed to the right and negative value if the speed is directed to the left.
- Please Provide Handwritten Answer . A golf club impacts a golf ball with a force equal to 100* [(t+1)^4]*t (N) where t is in seconds. The golf ball lands 1000m away from the tee after the strike of the club on the 1kg ball at rest. If the ball is observed to launch at a 20 deg. angle after impact, what is the hang time of this golf ball?___sec Assume 10 m/s^2 for acceleration due to gravity.Jack wants to test how fast can superman save him if he jumps of a cliff 180m high. He recorded that after 5 seconds, superman arrives at the cliff and dives to save Jack. Superman leaves the cliff with an initial velocity to give him a push to catch Jack, and later on act on a free fall as Jack is. Compute the initial velocity of superman so he can catch Jack before they hit the ground.I’m 1990 Walter Arfeuille of Belgium lifted a 281.5-kg object through a distance of 17.1 cm using only his teeth. (b) What magnitude force did he exert on the object during the lift, assuming the force was constant? My answer was 2758.7 Your response is off by a multiple of ten. Please fix