A car has negative acceleration. What information can you infer from this?

What are to examples of radiation?

A object is projected vertically upwards from a height of 45m with a velocity 30ms^-1. Find the time taken to reach the ground

Which causes seismic waves? A. convection in the mantle B. movements of the plates C. movements of the core D. gravity in the mantle

A woman pushes a 27 kg lawnmower at a steady speed. She exerts a 180 N force in a direction 31 degrees below the horizontal. The acceleration of gravity is 9.8 m/^2 Find the magnitude of the vertical force this lawnmower exerts on the lawn.

The speed of a transverse wave in a string is 18.81 m/s. If a source produces a disturbance that has a frequency of 9.9 Hz, what is its wavelength?

An airplane flies 1350km in 2 1/4 hours. What is its average speed in kilometers per hour?

A projectile is launched over a horizontal surface in such a manner that its maximum height is 3/5 of its horizontal range. Determine the launch angle.

Two identical capacitors are arranged in a circuit. What is the ratio of the equivalent capacitance of the circuit when the capacitors are in series to that when they are in parallel?

A car's position in relation to time is plotted on the graph. What is the car's average velocity for segment C? A) - 4 m/s B) - 0.25 m/s C) 0.25 m/s D) 4 m/s

What percent of my Iodine-131 sample will be left after 7 half-lives?