1.What is the mass of an object that weighs 98 N?

Ascientific blank must be testable and capable of being proven false?

What are some important factors to consider when choosing a warm-up before your workout?

One soccer player (a) is moving at 4 km/h when she kicks the ball while another soccer player (b) is moving at 8 km/h. what statement accurately compares their kinetic energy if they have the same mass? a) both soccer players have the same kinetic energy. b) player b has twice the kinetic energy of player a. c) player b has four times the kinetic energy of player a. d) their kinetic energy can't be compared without knowing their mass.