
22. (a) Prove that () +30m)+s()+...=2(º) +-() +(%) +... (b) What is the value of the...
12 If sin(2x + 7) = cos(4x – 7)º, what is the value of x? A 7 B 15 C 21 D 30
A ball is thrown straight into the air at a speed of 30m/s. At what time(s) is the object 10m above the ground? A stone is thrown upwards from the edge of a cliff 15m high. It just misses the cliff on the way down and hits the ground below with a speed of 35m/s. a. With what velocity was it released? b. What is its maximum height above the cliff? c. Plot y(t), v(t), and a(t)
22. Prove: if a, b, and c are odd, and a | b - c and a bc, then a | b and a c
22. Prove: if a, b, and c are odd, and a | b - c and a bc, then a | b and a c
a hockey puck has a mass of 170g and travels with a speed of 30m/s. what impulse is needed to slow the hockey puck down to 10m/s?
a bullet is fired at an angle θ = 60 degrees with velocity 30m/s. What is the time interval to reach the maximum height?
A myelinated axon conducts nerve impulses at a speed of 30m/s . What is the signal speed if the thickness of the myelin sheath is halved but no other changes are made to the axon?
If an elevator goes up with a speed of 3m / s. when it is 30m above ground level the cables break. Presiding over reasoning. a) Calculate the maximum height that the cabin reaches. b) If the safety brakes act automatically when the descent speed reaches the value of 5 m / s, determine the height at which the brakes act.
22. Prove: if a, b, and c are odd, and a | b - c and a bc, then a | b and a c
1. A car, travelling at 30m/s slows to 10m/s in 5 seconds. What was the acceleration? A). -6 m/s B) 4m/s C).-2 m/s D). -9.8m/s 2. A ball thrown straight up takes 3 seconds to reach its maximum height. The height is most nearly B). 45m C). 60m D), 90 m A). 30m 3. A driver of a car wishes to pass a truck on the highway. Her car can accelerate at a constant 5m/s'. How long does it take...
please help with 1&2 :) A 2000kg car slows from 30m/s to 20m/s in 12s. Calculate the power delivered to the brakes. Calculate the force acting on the car.