A 65.0 kg skier with an initial speed of 10.0 m/s coasts up a 2.50 m high rise as shown in the following figure. V₁ = ? KE₁ V₁ 35° 2.5 m Find her final speed at the top (in m/s), given that the coefficient of friction between her skis and the snow is 0.0800. (Hint: Find th distance traveled up the incline assuming a straight-line path as shown in the figure.) m/s
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- A man (mass 45 kg) shoots himself out of a cannon straight upward with an initial velocity of 46 m/s towards a ledge 95 m above the cannon. There’s some air resistance occurring, and the man’s upward trajectory ends 6.0 meters below the ledge. A) What was the average force of frictional air resistance the man experienced during his upward motion? B) Assuming the same average air resistance on the way down, how fast will the man’s impact velocity be when he returns to the “ground” level of the cannon’s muzzle? Please answer the question on paper. I do not understand when it is typed out. Thank youA student releases a 3.9kg cart from the top of ramp and starts a stopwatch. The length from the front of the cart to the end of the ramp and the distance from the end of the ramp to the stopper are shown. Neglect backwards friction and drag and assume the cart does not lose speed transitioning from the ramp to the floor. What is the cart's acceleration on the ramp? unit | (magnitude) What is the cart's acceleration on the floor? 130cm unit (magnitude) How long does the cart take to reach the end of the ramp? 5° 200cm unit (timed from the release) How fast is the cart traveling as it hits the stopper? unit How long does the cart take to reach the stopper? unit (timed from the release) cannot be detern check answers challenge ne Calculator ound = 343m/s cant figures Rain to stop e here to search ACC t;320a 500 N block fromtesfrom rest slides 6m down a 45 degrees slope. the 3m along a level surface and then up 30 degrees incline until it comes to rest again. the coefficient of friction is 0.15 for all surfaces. what is the distance travelled by the block up the 30 degrees inclined yntiuntil it stops. what is the total distance traveled by the block. what is the velocity when uit reach the level surface. what is the velocity of the block just before it travels up the 30 degrees inclined.
- An 80 kg skier sliding across a flat smooth ice surface at 20 m/s reaches a flat muddy surface with a coefficient friction of 1.2. How far does she travel before stoppingA semitrailer is coasting downhill along a mountain highway when its brakes fail. The driver pulls onto a runaway-truck ramp that is inclined at an angle of 14.08 above the horizontal. The semitrailer coasts to a stop after traveling 154 m along the ramp. What was the truck’s ini- tial speed? Neglect air resistance and friction.A 97.49-kg skier with an initial speed of vi=34.93 m/s coasts up a H=11.75-m-high risel. The slope angle is theta=27.25. What is her final speed at the top? Assume the coefficient of friction between her skis and the snow is 0.035 (Hint: Find the distance traveled up the incline assuming a straight-line path as shown in the figure.) Use g = 10 m/s2.