A car moves on a level horizontal road in a circle of radius 30. 5 m. The coefficient of friction between the tires and the road is 0. 5. The maximum speed with which the car can round this curve without slipping is:.

Explain how earth is like a giant bar magnet. how is our magnetic field made?

17 a tourist was planning a trip by car for travelling at some constant speed for 2.5 hours. however, he found that if he increases the speed by 20 km/h he can cover the same distance in 30 minutes less time than it was planned. what was the planned speed of the tourist, in km/h?

Which statements are true for invasive species? 1. they always stabilize an ecosystem. 2. they’re always successful in adjusting to a new habitat. 3. they often compete with the native species for resources. 4. they have the ability to displace the native species. 5. they’re always pests.