Q1 helicopter (ignore Q2)

Related Question in Physics

• WILL GIVE BRAINLIEST When a teacher is moving forward at a speed of 2m/s and drops a ball , how the ball moves relative to the teacher ? A) straight downward B) forward and downward ​
• A projectile is launched is a speed of 10√2m/s and its range covered is 10√3m, the angle for the maximum time of flight will be: A. 30⁰ B. 60⁰ C. 90⁰ D. 120⁰
• A wrench dropped by a worker freely falls from the top of an 80m tall tower. What is the velocity of the wrench at the instant before it hits the ground? 1) What are the known quantities involved? 2) Which equation can be used to find the velocity with the given information? 3) what is the velocity of the wrench at the instant just before it hits the ground? 4) What is the total time for the wrench to hit the ground?
• how large an angular acceleration must a wheel have is it is to acceleration from rest to 460rad/s after 5rev ?​
• 2. It takes 1,200 J of work to lift a car high enough to change a tire. How much work must be done by the person operating the jack if the jack is 25% efficient?
• The pressure of the gas is 112 kPa when its temperature is 35 °C. The gas is heated to 340°C using some different apparatus. Calculate the pressure of the gas when its temperature is 340 °C. Assume the gas has a constant volume. Pressure = kPa