Awater bed that is 1.5 m wide and 2.5 m long weighs 1055 n. assuming the entire lower surface of the bed is in contact with the floor, what is the pressure the bed exerts on the floor? a. 250 pa c. 270 pa b. 260 pa d. 280 pa

Aspecial electronic sensor is embedded in the seat of a car that takes riders around a circular loop-the-loop ride at an amusement park. the sensor measures the magnitude of the normal force that the seat exerts on a rider. the loop-the-loop ride is in the vertical plane and its radius is 23 m. sitting on the seat before the ride starts, a rider is level and stationary, and the electronic sensor reads 740 n. at the top of the loop, the rider is upside down and moving, and the sensor reads 370 n. what is the speed of the rider at the top of the loop?

Acar moves a distance of 50.0 km west, followed by a distance of 64.9 km north what was the magnitude of the displacement of the car, in units of kilometers?

Diamond will scratch quartz. true or false