quartz gold and calcite are examples of?coal is what

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 basketball player moves down the court, dribbling a basketball. Use Newton's Third Law of Motion and the Second Law of Motion to explain why the basketball returns to the player's hand after it strikes the floor (there should be two distinct parts to your answer). For the Third Law, make sure you identify the action-reaction pair using the notation FA on B and FB on A
• 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?
• Refraction of a light ray may be defined asA. bouncing off the boundaryB. passing through the boundaryC. maintaining speed after a boundaryD. changing direction while crossing a boundary ​
• 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
• science class is conducting an investigation to see how gravity affects objects of different masses. They drop three balls from the same height. They me how long it takes the balls to hit the ground. What are the students comparing? (1 point) O the time it takes for each ball to fall O the height from which each ball is dropped O the gravitational attraction of each ball O the mass of each ball