A convex mirror with radius of curvature 30 cm forms a real image at 20 cm From its pole . Explain how it is possible and find whether the image is erect or inverted?

Who was the first scientist to measure speed as distance over time?

Urgent pls a. coal consumption levels off and remains flat. b. petroleum, natural gas, and renewables show an increase in consumption c. more nonrenewable resources continued to be consumed than renewable. d. there is little projected increase in nuclear energy use. e. carbon dioxide emissions are projected to decline as we approach 2040. global energy consumption is defined as the total energy used by an individual or organizations from around the world. use the graph above to analyze the projected energy consumption from now until 2040. which statements in the prompt apply? a) a, b, d b) b, c, d c) a, c, d d) a, b, c, d

Anika asks eva to roll a basketball and then a bowling ball to her. which requires more force to roll, and why?