The force of gravity acting upon an object is the objects mass. True or false

What is the potential difference if a resistance of 20 ohms produces a current of 10 amperes?

As the frequency of sound waves increases, the wavelength of the sound waves decreases. true or false.

A 200 kg roller coaster car is located at the top of a hill where the height is 30 m. What is the velocity when it reaches the bottom of the hill? 5.5 m/s 11.2 m/s 16.7 m/s 24.2 m/s

What is physical fitness?

A car accelerates from rest to a velocity of 5 meters/second in 4 seconds. What is its average acceleration over this period of time?

The density of ice is 917kg/m3 and the density of sea water is 1025kg/m3. A swimming polar bear climbs onto a piece of floating ice that has a volume of 5.2m3.

Sarah wanted to find out if temperature has an effect on the growth of bread mold. She grew the mold in nine Petri dishes containing the same amount and type of nutrients.

Three cars (car f, car g, and car h) are moving with the same velocity when the driver suddenly slams on the brakes, locking the wheels. the most massive car is car f, the least massive is car h, and all three cars have identical tires.

A stationary 90 kg baseball pitcher throws a 0.15 kg baseball forward at 40 m/s. What is the linear momentum of the baseball? Select one: 0.0038 kg. m/s 3600 kg. m/s 267 kg. m/s 6 kg. m/s

A copper wire has a length of 1.50 m and a cross sectional area of 0.380 mm2. If the resistivity of copper is 1.70 ✕ 10-8 Ω · m and a potential difference of 0.700 V is maintained across its length, determine the current in the wire (in A).