A man's face is at a distance p = 15 cm in front of a concave spherical shaving mirror. If the image is erect (upright) and 1.5 times largen than the object, what is the radius of curvature of the mirror? O R = 90 cm R = 180 cm R = 36 cm R = 60 cm O R = 30 cm​

What is the average speed of a car that travels 40mph for 1 hour and 60 mph in another hour will mark brainliest

Amass attached to a spring is displaced from its equilibrium position by 5cm and released. the system then oscillates in simple harmonic motion with a period of 1s. if that same mass–spring system is displaced from equilibrium by 10cm instead, what will its period be in this case? a mass attached to a spring is displaced from its equilibrium position by and released. the system then oscillates in simple harmonic motion with a period of . if that same mass–spring system is displaced from equilibrium by instead, what will its period be in this case? a) 0.5sb) 2sc) 1sd) 1.4s

Match these items. 1. coulombs __force 2. ohms __emf 3. centimeters __resistance 4. newtons __charge 5. volts __length